Serveur d'impression

Meilleures alimentations sans coupure (UPS) [2020] – Bien choisir son serveur d impression

Le 14 avril 2020 - 29 minutes de lecture

Vente

CyberPower CP1500PFCLCD Mini Tower

  • 12 prises dont 6 reliées à une batterie de secours ainsi qu'une protection contre les surtensions
  • Mise en mémoire tampon AVR avec le logiciel de gestion du panneau d'alimentation
  • Écran LCD couleur multifonction avec jusqu'à 17 degrés d'inclinaison pour une lecture facile

Le CyberPower CP1500 a une capacité de charge de 1 000 watts ainsi que 12 prises. De ces prises, 6 sont réservées à la batterie de secours avec protection contre les surtensions et les 6 restantes sont uniquement protégées contre les surtensions. Cela vous permet de vous assurer que les appareils essentiels sont alimentés en cas de panne, sans avoir à vous soucier de perdre le temps d'exécution pour alimenter des appareils non essentiels.

Le CyberPower CP1500 est un écran LCD couleur multifonction avec la possibilité de le carreler jusqu'à 17 degrés. Cela facilite la lecture si vous souhaitez maintenir la tour basse ou dans une zone difficile à atteindre. Cet onduleur est également livré avec le logiciel de gestion du panneau d'alimentation de CyberPower que vous pouvez connecter à un PC pour aider à gérer le système en un coup d'œil.

La volonté concertée d'Amazon de faire connaître sa présence sur le marché de l'électronique grand public comprend une large gamme d'appareils conçus pour répondre à divers besoins. L'Amazon Basics Standby a une capacité de charge de 450 watts qui s'adresse davantage aux maisons et aux postes de travail individuels.

Pourtant, il dispose toujours de 12 prises impressionnantes, dont six directement connectées à la batterie de secours et les 6 restantes sont connectées à un parasurtenseur interne. Techniquement, il ne dispose pas d'un AVR traditionnel, mais les prises de sauvegarde sur batterie aident à protéger les appareils connectés contre les anomalies du courant provenant du réseau. Si vous le souhaitez, un logiciel de gestion de l'alimentation téléchargeable est disponible gratuitement et vous pouvez vous connecter à l'onduleur via un port USB.

L'onduleur à onde sinusoïdale intelligente bXterra 3000VA UPS SP3000LCDRT2U a été conçu pour prendre en charge les salles de serveurs de petite à moyenne taille ou les grands bureaux. Il a une capacité de charge de 27 000 watts et 6 prises NEMA 5-20R ainsi que 1 prise NEMA 5-30R, il a des spécifications robustes pour prendre en charge les salles de serveurs de petite à moyenne taille.

Cet onduleur possède une topologie interactive à onde sinusoïdale pure ainsi qu'un AVR (Automatic Voltage Regulation) pour aider à protéger les appareils connectés contre les anomalies qui peuvent survenir lors d'une panne de courant ou d'une surtension. Il est également certifié Energy Star. Les piles sont remplaçables à chaud. Donc, si vous achetez des batteries de remplacement supplémentaires, vous pouvez les échanger pour une durée d'exécution supplémentaire en cas de panne de courant qui se produit lorsque vous êtes au milieu d'un processus compliqué.

L'onduleur bXterra 3000VA SP3000LCDRT2U est également livré avec un logiciel spécial «Power Frame» qui comprend des fonctions d'accès à distance. Cela signifie que vous pouvez toujours accéder au système en cas de panne de courant lorsque vous ou votre personnel informatique êtes loin de l'installation.

Comment nous avons choisi

De nos jours, il est plus important que jamais de s'assurer que vos appareils électroménagers et appareils électroniques essentiels reçoivent une alimentation constante. Bien qu'une panne de courant complète soit certainement une source de préoccupation, même une panne de courant ou une surtension momentanée peut toujours endommager l'électronique et entraîner une perte de données critiques.

La connexion de votre ordinateur et d'autres appareils électroniques essentiels à une alimentation électrique ininterrompue avec protection contre les surtensions intégrée est un moyen relativement peu coûteux de préserver l'électronique de grande valeur. Plus communément appelés UPS, ces appareils sophistiqués se rentabilisent l'esprit tranquille.

Bien sûr, il existe quelques éléments qui permettent de trouver la meilleure alimentation sans interruption pour votre maison ou votre bureau. Tout au long du processus d'examen, nous avons essayé de garder les yeux sur les fonctionnalités clés et l'ingénierie réfléchie.

Capacité de puissance

La plupart des meilleurs onduleurs utilisent Watts comme unité de mesure. Pour déterminer la capacité dont vous avez besoin, vous devrez vérifier la puissance nominale de chaque appareil que vous souhaitez connecter. Vous pouvez le trouver dans le manuel du propriétaire ou tamponné au dos ou en bas.

Pour notre processus d'examen, nous avons essayé de cibler les systèmes UPS qui avaient au moins une capacité de charge de 800 watts. Cela devrait être suffisant pour vous permettre d'éteindre en toute sécurité une maison ou un petit bureau typique pendant une panne de courant. Bien que nous nous soyons assurés d'inclure quelques modèles de budget de puissance inférieure que vous voudrez peut-être placer dans la chambre d'un enfant. Certaines unités sont conçues pour gérer plus qu'un simple bureau, avec les exigences de puissance et un logiciel sophistiqué pour prendre en charge une salle de serveurs ou un environnement informatique similaire.

AVR

La régulation automatique de la tension est de plus en plus utilisée pour protéger les appareils électroniques sophistiqués mais souvent sensibles d'aujourd'hui. Une panne de courant ou une surtension qui parvient à passer du réseau électrique externe à un ordinateur portable ou à un serveur branché pourrait entraîner de graves dommages ainsi qu'une perte de données potentielle.

AVR agit essentiellement comme un tampon contre ces problèmes. Nous avons essayé de le rechercher, ou quelque chose de similaire dans les systèmes UPS que nous avons examinés.

Logiciels de connectivité et de gestion

Beaucoup des meilleurs systèmes UPS sur le marché ont aujourd'hui un type de logiciel de gestion. Cela vous permet de vérifier l'état de votre système en un coup d'œil ou d'apporter les modifications nécessaires. L'accès à distance via un système compatible avec le cloud a également été quelque chose que nous avons essayé de surveiller lorsqu'il s'agit d'unités avec un prix plus élevé.

APC 1500VA BR1500G UPS Batterie de secours et protecteur de surtension

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Spécifications:

  • 865 watts
  • 10 prises (5 uniquement pour la protection contre les surtensions)
  • AVR
  • Protection contre les surtensions de la ligne de données
  • Batteries remplaçables par l'utilisateur et remplaçables à chaud
  • Logiciel PowerChute avec fonctionnalités de gestion de l'énergie
  • Logiciel d'arrêt automatique
  • Garantie de 3 ans

L'APC BR1500 G a été conçu pour gérer jusqu'à 865 watts et a été conçu avec AVR. Il dispose d'un total de 10 prises, mais seulement cinq d'entre elles sont directement connectées à la batterie de secours et au parasurtenseur. Les 5 autres ne sont que des prises de protection contre les surtensions. Cela vous permet de connecter vos appareils électroniques essentiels sans vous soucier des appareils non essentiels qui coupent l'alimentation. Il dispose également de ports de protection contre les surtensions sur la ligne de données à l'arrière.

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Les piles sont remplaçables par l'utilisateur, ce qui signifie que vous pouvez les remplacer vous-même sans vous soucier d'annuler la garantie de 3 ans incluse dans l'achat.

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Ils sont également remplaçables à chaud, ce qui signifie que vous pouvez échanger les piles usées avec des remplacements sans interrompre le flux d'énergie vers vos appareils électroniques essentiels.

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Un écran LCD vous permet de surveiller l'état du système. L'APC BR1500 G est livré avec un logiciel d'arrêt automatique ainsi que des fonctionnalités de gestion de l'énergie «PowerChute» qui peuvent être liées à un ordinateur portable.

Ce que nous avons aimé

Le fait que vous puissiez remplacer vous-même les piles remplaçables à chaud sans annuler la couverture de garantie de 150 000 ans de 3 ans est une véritable plume dans le capuchon de l'APC BR1500 G.
Cependant, vous devrez acheter les piles de remplacement séparément.

Global

C'est un excellent onduleur pour un professionnel ou un bureau à domicile, bien qu'il puisse également jouer un rôle important dans la protection d'un système de cinéma maison.

Batterie de secours UPS Tripp Lite SMART1500LCDT 1500VA 900W

Tripp Lite SMART1500LCDT "width =" 1024 "height =" 651 "srcset =" https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Tripp-Lite-SMART1500LCDT-1500VA-900W-UPS -Battery-Back-Up-1024x651.jpg 1024w, https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Tripp-Lite-SMART1500LCDT-1500VA-900W-UPS-Battery-Back- Up-300x191.jpg 300w, https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Tripp-Lite-SMART1500LCDT-1500VA-900W-UPS-Battery-Back-Up-768x488.jpg 768w, https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Tripp-Lite-SMART1500LCDT-1500VA-900W-UPS-Battery-Back-Up.jpg 1300w "data-lazy-tailles = "(largeur max: 1024px) 100vw, 1024px" src = "https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Tripp-Lite-SMART1500LCDT-1500VA-900W-UPS- Batterie-Sauvegarde-1024x651.jpg

Spécifications:

  • 900 watts
  • 10 prises (5 avec batterie de secours et protection contre les surtensions)
  • AVR
  • Protection TEL / DSL / Ethernet
  • Garantie de 3 ans avec une assurance de 250 000 $
  • Logiciel de gestion
  • Écran d'affichage d'état LCD
  • Ports USB pour se connecter à un PC
  • Sortie d'onde sinusoïdale

Le Tripp Lite SMART1500LCDT a été conçu pour prendre en charge un bureau professionnel ou à domicile, avec jusqu'à 10 prises. Cinq d'entre eux sont connectés à la batterie de secours interne de 900 watts avec protection contre les surtensions, tandis que les cinq autres sont connectés uniquement au protecteur de surtension. Tripp Lite note que ce système peut alimenter un PC moyen avec une durée d'exécution allant jusqu'à 90 minutes.

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Avec la protection TEL / DSL / Ethernet, il vous permet de connecter des périphériques essentiels comme un routeur, une tour d'ordinateur, un moniteur de bureau et une imprimante pendant une panne de courant. Il est également livré avec AVR pour aider à protéger le système contre les surtensions et les baisses de tension.

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Le Tripp Lite SMART1500LCDT dispose également d'un logiciel de gestion intégré. Vous pouvez le contrôler avec l'écran d'affichage d'état LCD ou si vous préférez, il y a des ports USB qui vous permettent un contrôle avancé en vous connectant à un PC.

Ce que nous avons aimé

La garantie de trois ans elle-même est à la hauteur des normes de l'industrie, cependant, la couverture d'assurance de 250 000 $ est supérieure à la moyenne. Vous ne devez pas non plus ignorer la sortie d'onde sinusoïdale qui réduit le risque de dommages pour certains appareils à moteur à courant alternatif comme un réfrigérateur ou un four à micro-ondes.

Global

La capacité de 900 watts, l'AVR et la couverture de garantie cochent toutes les cases nécessaires pour faire du Tripp Lite SMART1500LCDT l'un des meilleurs onduleurs du marché. S'il y a une zone où elle pourrait manquer, c'est que les piles ne sont pas remplaçables à chaud. Cela signifie que vous n'avez vraiment que la charge qui est en eux pour enregistrer des données ou faire fonctionner votre équipement de divertissement.

CyberPower CP1500PFCLCD Mini Tower

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Spécifications:

  • Capacité de 1000 watts
  • 12 prises dont 6 contre les surtensions
  • AVR
  • LCD couleur multifonction avec inclinaison
  • Logiciel de gestion du panneau d'alimentation
  • Garantie de 3 ans avec une assurance de 500 000 $
  • Logiciel de gestion du panneau d'alimentation avec deux ports USB

Le CyberPower CP1500 a été soigneusement conçu pour être facile à utiliser. Avec une capacité de 1 000 watts et 12 prises, dont 6 réservées à la protection contre les surtensions uniquement, il vous permet d'alimenter plusieurs appareils essentiels.

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Il dispose également d'un AVR ou d'une régulation de tension automatique, qui aide à protéger les appareils contre les baisses de tension et les surtensions imprévues.

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Il y a un panneau LCD couleur multifonction qui s'incline jusqu'à 17 degrés. Il dispose également du logiciel de gestion du panneau d'alimentation de CyberPower que vous pouvez contrôler via l'écran d'affichage, ou vous pouvez connecter un PC via l'un des deux ports USB.

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Le CyberPower CP1500 est livré avec une garantie standard de trois ans ainsi qu'une impressionnante assurance de 500 000 $ pour les appareils connectés.

Ce que nous avons aimé

Sur le papier, l'inclinaison de 17 degrés sur l'écran LCD couleur peut ne pas sembler si impressionnante. Pourtant, lorsque vous considérez que la plupart des gens placent leur onduleur sur le sol ou dans un autre endroit éloigné, cela vous évite d'avoir à vous pencher à des angles maladroits juste pour voir ce qui se passe.

Les 12 prises dont 6 avec batterie de secours et protection contre les surtensions sont également de 2 à 4 de plus que beaucoup de concurrents directs avec des caractéristiques et des prix similaires.

Global

Le CyberPower CP1500 est un excellent onduleur pour l'argent. Il a les fonctions d'écrous et de boulons que vous souhaitez comme l'AVR et le logiciel de gestion de l'alimentation. L'écran LCD couleur facile à lire avec un visage incliné est quelque chose que vous pourriez apprécier plus que vous ne le pensez.

Vente

CyberPower CP1500PFCLCD Mini Tower

  • 12 prises dont 6 reliées à une batterie de secours ainsi qu'une protection contre les surtensions
  • Mise en mémoire tampon AVR avec le logiciel de gestion du panneau d'alimentation
  • Écran LCD couleur multifonction avec jusqu'à 17 degrés d'inclinaison pour une lecture facile

Amazon Basics Standby UPS 800VA 450W Surge Protector Battery Backup

Onduleur de secours Amazon Basics "width =" 1024 "height =" 637 "srcset =" https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Amazon-Basics-Standby-UPS-800VA- 450W-Surge-Protector-Battery-Backup-1024x637.jpg 1024w, https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Amazon-Basics-Standby-UPS-800VA-450W-Surge -Protector-Battery-Backup-300x187.jpg 300w, https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Amazon-Basics-Standby-UPS-800VA-450W-Surge-Protector- Battery-Backup-768x478.jpg 768w, https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Amazon-Basics-Standby-UPS-800VA-450W-Surge-Protector-Battery-Backup .jpg 1300w "data-lazy-tailles =" (largeur max: 1024px) 100vw, 1024px "src =" https://www.coolest-gadgets.com/wp-content/uploads/2020/03/Amazon-Basics -Standby-UPS-800VA-450W-Surge-Protector-Battery-Backup-1024x637.jpg

Spécifications:

  • 450 watts
  • 12 prises 6 avec batterie de secours
  • Logiciel gratuit de gestion de l'énergie téléchargeable
  • Connexion au port USB
  • Garantie d'un an avec une assurance de 75 000 $

Ces dernières années, Amazon a fait un effort conscient pour se développer dans le monde de l'électronique grand public. Avec une capacité de charge de 450 watts, l'onduleur – 800 VA a été conçu pour répondre aux besoins des foyers et des bureaux ayant un besoin en puissance légèrement inférieur.

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Bien qu'il ait toujours 12 points de vente. Six d'entre eux sont directement connectés à la batterie de secours ainsi qu'un parasurtenseur et 6 autres sont connectés à un parasurtenseur interne uniquement. Il convient de noter que dans cette configuration, il n’existe aucune sorte d’AVR traditionnel. Cependant, les six prises qui sont connectées à la batterie de secours seront toujours réglementées contre les anomalies dans le CA entrant.

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It’s also worth noting that the Amazon Basics UPS – 800 VA produces a simulated sine wave in the current provided by the battery backup. This means it’s not a good option for certain electronics that have an AC motor. Essentially, you can hook up your TV or desktop monitor without concern, but it’s not a good idea for a minifridge with an AC compressor.

There’s also free downloadable power management software. You can then connect a PC to the UPS via a USB port.

What We Liked

You can’t argue with the price of this bargain UPS system. The number of outlets on such a relatively small UPS device is also impressive.

Global

There aren’t a lot of sophisticated features with this budget UPS system. Still, it has what you need to keep a computer or the basic electronics in a child’s bedroom operating long enough to safely power down in an outage.

bXterra 3000VA UPS SP3000LCDRT2U Smart Sine Wave UPS

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Spécifications:

  • 2,700 Watts
  • 6 NEMA 5-20R outlets
  • 1 NEMA 5-30R outlet
  • Pure sine wave with line interactive topology
  • AVR
  • Power Frame software with remote access feature
  • Energy Star certified UPS
  • Rotating LCD screen
  • 3-year warranty with $350,000 insurance coverage

The bXterra 3000VA UPS SP3000LCDRT2U Smart Sine Wave UPS is a full step up from the smaller UPS systems on the market. With it’s 27,000-Watt load capacity and 6 NEMA 5-20R as well as 1 NEMA 5-30R outlet, it has the robust specs to support small to medium-size server rooms.

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It has pure sine wave line interactive topology with automatic voltage regulation. This gives it the ability buffer to protect your sensitive electronics from surge and brownout events that affect the power grid or your building’s internal wiring.

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The bXterra 3000VA UPS SP3000LCDRT2U Smart Sine Wave UPS is Energy Star certified and has hot-swappable batteries. This means if you have charged replacement batteries on hand that you can extend the overall runtime of the system for times when you might need to complete an important task or you need more time shutting the system down safely.

This system also has power frame software with remote access features. Even if you are not at the building during a power outage you can manage the system via a laptop or other wireless device.

What We Liked

The pure sine wave line interactive topology with 2,700-Watt load capacity and AVR is what you want to see for supporting a NAS box or other small data station.

You also have to like the Power Frame Software with remote access for managing a power outage when you might happen to be away from the facility.

Global

This a great UPS system for a small server room or a NAS box with other attached network devices. The Energy Star certification is also a nice touch. You can even invest in replacement batteries for a hot-swap to make sure the system can still operate if a power outage occurs while you are doing something like installing software updates.

APC Smart Ups Pure Sinewave UPS Battery Backup

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Spécifications:

  • 2,700 Watts
  • Power Chute Software
  • Cloud-enabled with secure web portal
  • 6 primary outlets

On the face of it, the Smart-UPS SMT3000C has a lot of the physical engineering you want to see in a UPS that’s designed to support a small to medium size server environment.

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It’s also cloud-enabled for remote access through a secure encrypted web portal. To use it, you simply connect the UPS to your router via an ethernet connection, then you register it and the Power Chute software helps guide you through the process.

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It has six primary outlets and AVR to help regulate AC power and prevent damage from surges or brownout events. It has an automatic green mode that monitors and manages the system for peak performance.

What We Liked

The Cloud enabled connectivity with secure remote access is very nice for times when there might be a power outage or another system fault that needs your attention, but you are away from the building. The intuitive interface and superior technical support offered by APC also makes it easy to maintain your network, even if you don’t have a dedicated on-site IT staff.

Global

The APC Smart Ups Pure Sinewave UPS Battery Backup has all the nuts and bolts you want to see in a UPS system to support your IT environment. The software is easy to use and offers you secure, remote access.

If there’s a complaint here, it’s that the price tag is a little bit on the high side. This is likely due to APC assuming that companies without an IT staff will be recruiting support from APC’s tech support. If you already have a reliable IT staff on-site, you could save money by looking at a lower-priced competitor.

OPTI-UPS DS1500B (1500VA/1050W) Online Double Conversion Sinewave

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Spécifications:

  • Sinewave on-line, double-conversion, single-phase (2W+G)
  • 1050 Watts
  • Automatic sensing
  • Converts current AC to DC, and DC to AC
  • Zero transfer time
  • Smart fan speed control
  • Sophisticated software
  • 2-year warranty protection

The OPTI DS1500B is a double conversion UPS that can convert the current from AC to DC and then back from DC to AC. This has the net effect of making it more energy-efficient, as well as versatile. Though it does require the internal cooling fan to run frequently.

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The double conversion engineering is designed to isolate the outside environment by efficiently converting power from AC to DC. This same current can then be converted back to AC. This works to buffer surges and brownouts that can influence the grid, to keep them from damaging your sensitive electronics. The three robust internal batteries provide uninterrupted power.

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There is a suite of software that you can install which will provide you with secure remote access. It can also be set up to shut down a Windows server unattended. OPTI also offers a 2-year warranty with this the DS1500B.

What We Liked

The double conversion topology is a nice way to replicate AVR, without compromising energy efficiency. The suite of software that can also be set up to shut down a Windows server unattended is also a nice touch.

Global

The OPTI-UPS DS1500B is arguably set up to support a server environment of a small office NAS box, rather than say a home theater system. Taken in that light, it has pretty much all the hardware and software features you need, at a price that outstrips the competition.

Unfortunately, the double conversion topology also means the internal fan will run nearly continuously. So, it’s best to give it its environment where you don’t have to deal with the soft, white noise all day long.

CyberPower EC850LCD Ecologic UPS System, 850VA/510W, 12 Outlets

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Spécifications:

  • 510 Watts
  • 12 outlets 6 battery backup, and 6 surge protector
  • 3 Eco mode outlets
  • USB communication port
  • 3-year warranty
  • $100,000 insurance

The CyberPower EC850LCD was designed to support the backup power needs of a single desktop computer, a work station or a modest-sized home theater.

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It’s rated for 510 Watts and includes 12 total outlets. Of them, 6 are connected to the battery backup and the internal surge protector. Of the 6 remaining outlets, all of them are surge protector only, with three being on the Eco outlets, which shut down power when a device goes to sleep or is turned off.

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There is a small LCD panel that lets you monitor the UPS at a glance. Though there’s also a USB communication port, which lets you connect to a laptop, which could be handy if you want to tuck the CyberPower EC850LCD out of sight.

There’s also a 3-year warranty with $100,000 insurance. This is pretty impressive for such a small and inexpensive UPS.

What We Liked

The CyberPower EC850LCD’s low price tag combined with a variety of outlets let you connect a lot of low wattage devices. The three Eco ports are also a nice touch for devices that turn off automatically or go to sleep like a digital picture frame.

Global

You’re not going to keep a whole office powered up for more than a few minutes with this 510-Watt UPS. Still, it has the load capacity to let you power down a single computer station or home theater in the event of a sudden power outage. At such a low price point, you’re probably also going to buy the CyberPower EC850LCD as much for being a surge protector as a battery backup system.

Buyers Guide

Right off the bat, the temptation is to assume that an uninterrupted power supply system is only necessary for power outages. Sure, they are an absolute life-saver for a short-to-mid-term blackout. However, that’s not the only time you might consider yourself blessed to have a UPS in your home or office.

On the face of it, an uninterrupted power supply is a sophisticated battery backup system that is designed to power your essential electronics during a power outage. They play a critical role in preventing data loss or the potential hardware stress that can sometimes occur during a hard shutdown.

At the same time, a quality UPS also acts as a surge protector. This can be especially handy if a local power surge affects your area, which can cause short-term damage or reduce an electronic device’s long-term lifespan.

Beyond surges and total blackouts, there are a few other scenarios where a UPS can come in handy. Especially, if for powering essential office electronics to maintain the normal flow of operations. This includes things like:

A Brownout is where there is a prolonged drop in voltage. Some brownouts are related to weather, though with our aging electrical infrastructure it could be a failure in part of the electrical grid. Sometimes a brownout is an early warning sign of a blackout. Being able to keep essential electronics powered up can help you prepare for total power loss. Especially if you need to do things like backup crucial data.

A Voltage Sag is like a miniature brownout. The problem here is that they sometimes occur in a short series, which can potentially damage certain types of electrical equipment.

An Over Voltage Event is like a mini-surge that lasts longer than normal and can damage sensitive electronics. A UPS with a sophisticated surge protection feature helps buffer the voltage to keep electronic devices safe.

Line Noise can disrupt or potentially degrade the performance of a circuit.

Frequency Variation can be a problem if you are running off a generator and the power frequency fluctuates. Here again, the UPS acts as a buffer to maintain a consistent frequency level.

Different Topologies Of UPS System

At first glance, UPS systems pretty much all do the same thing. They act as a battery backup as well as a buffer against surges and other electrical events that might otherwise travel from the grid to your sensitive electronic devices.

However, different “Topologies” or types of UPS are engineered with features that cater better to specific needs.

A Standby UPS – Sometimes referred to as an Offline UPS, it essentially draws current from a standard electrical outlet and switches over to the power from the internal battery backup the instant it detects a power failure. This is arguably the most common type of UPS system and one you might often find in an individual office setting to provide backup power for a computer, printer or other electronic devices.
is the most common type of UPS found in a computer or office supply store. It draws current from the AC outlet and switches to the battery within a few milliseconds after detecting a power failure.

A Line-Interactive UPS – This type of system uses AVR or Automatic Voltage Regulation to effectively correct abnormalities in voltage without having to immediately resort to the reserve battery power. It does this through a special type of transformer that either lowers or boosts the voltage as needed. UNE

Line-Interactive UPS is essentially a buffer to protect your sensitive electronics from events that affect the power grid or the internal wiring of a building. They are particularly handy for protecting Network-Attached Storage devices and modest-size data storage servers.

A Double Conversion On-Line UPS – It shares a lot of features and functionality with a Standby UPS. One of the key differences is that it inverts the AC power to reduce heat output and improve efficiency.

Wattage Load Capacity

For a UPS system to run properly it must have the capacity to meet the power demands of every electronic device that’s connected to it. This is typically expressed in a wattage rating, that you can then correspond to the total overall load of the devices you plug into it.

To accurately calculate your load needs, you will have to add up the wattage of every single device you want to connect to the UPS. You can usually find this information in the owner’s manual. Though a lot of appliances and electronic devices will have some sort of plate stamped or printed on them with wattage and other key specs.

Once you have your load calculated you start filtering through the UPS systems that are closest to your needs. Though you shouldn’t push it right up to the limit. It’s a good idea to target a UPS system that is rated at least 10% higher than you need. Especially if you’re thinking of upgrading or updating your devices a year or two down the road.

To make your UPS run properly, your UPS has to be large enough to support all of the equipment plugged into it. You will need to find the UPS capacity. Capacity is how much power a UPS system can provide (measured in Watts). The higher the capacity, the more electronic equipment, and devices it can support. To find the UPS capacity, you will need to calculate the load. The Load is the combined amount of power each of the devices uses.

To identify the load, make an equipment list, including the total watts each piece of equipment requires to run properly. Include all of the devices the UPS will need to support. If a piece of equipment has a redundant power supply, only count the wattage of ONE power supply.

If you are unsure how many watts your equipment requires, consult the manufacturer or power supply specifications in the user manual.

The Number Of Outlets

A quality UPS system is not the sort of thing you want to daisy chain like Christmas lights. You really should have 1 outlet per power cord. Plugging in a power strip or a splitter is a bad idea and could impact performance when you need it most. If you plan to plug three devices in the UPS system, you need to find one that has at least three outlets.

Determining Runtime Needs

Since the UPS is essentially a sophisticated battery backup system, it has a finite capacity. As time goes on, the current stored inside the battery will gradually start to dwindle. The “Runtime” is essentially the number of minutes of consistent power the UPS system can support from a full charge.

It helps to take a moment to do a little thought experiment on how long you’ll want the power to your essential electronics. If you need time to save essential data on your laptop or print another copy of a business proposal during a short-term blackout, you might be fine with a shorter runtime. If you want to keep working for hours after a power outage, or you simply want enough power to finish watching a movie on a stormy day, while you wait for the power company to restore the lines, then you might prioritize a longer runtime.

It’s important to remember that the runtime will be influenced by the wattage of each device. The lower the wattage demand, the more minutes of runtime you will get from the batteries.

Questions fréquemment posées

Q: Do I Need A UPS With A Sine Wave Or Simulated Sine Wave Output?

UNE: The power grid delivers AC power in a sinewave. When everything is operating normally, you UPS is simply passing this sine wave on to all the connected electronic devices. In the event of a power outage or brownout, the UPS will produce a sine wave or simulate a sine wave to your electronics.

With a simulated sine wave, there is sometimes a minor power gap during each cycle. Some appliances like refrigerators, microwaves, and air compressors with motors that run on AC electricity can be damaged by a simulated sine wave.

Q: What Is A Hot-Swappable Battery?

UNE: A UPS with hot-swappable batteries allows you to exchange additional backup batteries without having to shut the unit down. They are especially nice for times when your area suffers a prolonged power outage, and you want to continue working or using some essential electronics.

Q: What Is The Difference Between A Rack-Mounted UPS and a Tower?

UNE: With most UPS manufacturers a rack-mounted or tower UPS tends to have the same basic specifications and features. The rack-mounted version tends to be more popular for a UPS device that’s meant to support a server or a Network-Attached Storage device. If you are just looking to back up a single office computer, a work station or a home theater, then a tower is probably easier to work with.

Q: Why Do Some UPS Devices Only Have Half The Outlets Connected To The Battery Backup?

UNE: UPS manufacturers recognize that part of the value of the system is acting as a surge protector. At the same time, when there’s a power outage have a ton of devices plugged into the battery backup outlets. The last thing you want is the lamp in the corner or a digital picture frame on the wall draining current and reducing the overall runtime available to safely shut down your workstation computer.

Q: Should I Max Out The Load Capacity?

UNE: While each UPS is rated for specific maximum load capacity, it’s also best not to push it to the max. The general rule of thumb is to only ask it to deliver 80% of the maximum load capacity at any one time. So, if you have a UPS that’s rated for 1,000-Watt maximum load capacity, you should try to keep the wattage demand of the devices on the battery backup side to around 800 Watts.

Conclusion

Investing in a UPS system makes a lot of sense beyond just buying you some extra time to save your work or finish watching a movie when the power goes out. A quality UPS system also helps protect your investment in the electronic devices and data it supports. In a worst-case scenario, a single surge or brownout event could cause thousands if not tens of thousands of dollars in damage. Taken in this light even a high-priced UPS system pays for itself in short order.

Finding the best UPS system for you still will require a little filtering and some basic mathematics. Right off the bat, you will want to double-check the wattage rating for each device you want to connect. This will give you a target range for load capacity to help weed out the field.

If you aren’t going to support a server or NAS box, then you can just stick to a “Standby UPS” If you do need to support some type of server environment, then you might want to prioritize a Line-Interactive or a Double conversion topology. In the case of a server support UPS, you might want to also look for a rack-mounted UPS rather than a tower.

At that point, you can start to dial in special features like management software and price. You should also keep an eye out for warranty coverage, as well as taking a look at how much insurance coverage the manufacturer offers for connected devices.

Product Boxes: Last updated on 2020-04-13 / Affiliate links / Images from Amazon Product Advertising API

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