Best UPS (Uninterruptible Power Supply) of 2023 (2023)

The best UPS (Uninterruptible Power Supply) devices on this page are major purchases for any business, or home user, who needs electronics like PCs and servers with constant 24/7 power connections.

Even if there is a brief power outage, the results can be catastrophic, as servers can become inaccessible and data can even become corrupted if a computer suddenly shuts down.

That's where the best UPSs come in, because if there's a power outage, they'll seamlessly switch to battery power and your devices will stay up and running until main power is restored or you can safely shut down your device.

These days, many of us work from home, so it's even more important to buy the best UPS that fits your budget. You may find that you are connecting too many power-hungry devices to your home power source, and this can lead to power outages or spikes. Your home may not have the backup power solutions your office does, so buying a UPS for your home can be a very smart investment.

The UPS devices included in this guide cover a wide range of use cases, from small home UPS devices that can keep a router and PC running, to large, powerful UPS devices for corporate use. Therefore, we have listed these best UPS devices in no particular order.

We compare these UPS devices on many factors, including size, power source, runtime, and battery recharge time. We looked at what types of environments they would be best suited for and their input and output voltage, among other things.

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The best UPS (uninterruptible power supply) at a glance:

1. Back-UPS APC ES-BE700G
2. CyberPower CP1500EPFCLCD
3. Eaton 9SX 5000i RT3U
4. Vertiv Liebert PSI 1500VA
5. APC BE600M1 Back-UPS 600VA

The best SAIs of 2023 in full

If you are looking for a cheaper and simpler UPS device, then the APC Back-UPS ES - BE700G is a great choice. We don't recommend it for large businesses with lots of mission-critical computers and servers, but it offers plenty of power for homes and small businesses to keep their devices running when the power goes out.

This APC UPS has eight surge-protected outlets, four of which are covered by battery backup. All eight plugs can accept standard three-prong plugs, making them more convenient than the kettle cords found in some UPS systems. You'll have enough UPS outlets for your Mac, monitor, and essential peripherals like an external hard drive or router.

However, if you're looking for something with more features, consider a different UPS.

The CyberPower CP1500EPFCLCD is an excellent UPS for home and small business use. It comes with a decent number of ports as well as USB to connect your devices. RJ11/RJ45 ports keep your phone, fax and modem lines safe from power surges and it comes with a range of power-saving features to prevent wasting power during use.

Ideal for keeping mid-range and high-end IT systems secure, the UPS comes with Automatic Voltage Regulation (AVR) to ensure safe voltage levels for all connected devices. It has data line protection that protects communication and network equipment from surges and spikes.

It also comes with a clear multi-function LCD screen that notifies you with alerts in case of power problems, allows you to check battery status, configure advanced settings, and perform self-tests.

If you have a large office with multiple devices, the Eaton Eaton 9SX 5000i RT3U is an excellent device. This rack-mountable UPS not only keeps your important devices running when there's a power problem, it also offers great energy-efficiency features that can reduce your energy use (and associated bills) with up to 95% savings. efficiency. and 98% in high efficiency mode.

Eaton ABM's battery management system uses a three-stage charging technique to extend battery life by up to half.

You can purchase optional extended battery modules to increase runtime (with up to 12 hot-swappable battery modules), and the LCD user interface provides accurate UPS health data for easy management. Definitely a UPS to consider if you have the budget.

If you have a busy office with several essential devices that need an uninterruptible power supply, the Vertiv Liebert PSI 1500VA is definitely worth considering. Its three batteries will keep power-hungry devices running when the power goes out, and it can be installed in a server rack or configured as a freestanding tower.

It also has a rotating LED display that can be adjusted depending on the type of mount you choose, making placement quite convenient. It is designed for IT infrastructure such as small server farms and network storage rooms.

It comes in several configurations, so you can choose the one that best suits your needs, but if you're looking for a UPS for home use, the older APC BE600M1 Back-UPS 600VA is a better option.

This is another great UPS from APC and with the BE600M1 the company has created an ideal UPS for home use. That's thanks to its small, unobtrusive design, and it offers enough power for smaller devices like home NAS drives, routers, and game consoles.

Although it only has one USB port, it has multiple plugs with enough space between them that you won't find it difficult to connect multiple wide plugs.

With careful management, you can keep power flowing to a router or monitor long enough to survive most power outages. For office use, with a lot of power-hungry devices that need to be powered at the same time, you'll want to look elsewhere on this list of the best UPSs, but for home users on a budget, this is a great one. option.

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The best UPS: how we tested it

We test these UPS machines at various points, starting with the environment they are best suited for: home, small office, or server farm?

We look at how much power these devices provide, how much runtime they offer during power outages, and their form factor (desktop, tower, or rackmount). We look at its specifications, such as input voltage, output capacity, battery life, and charging time. We also considered how many plugs they had and whether there was enough space between them for wide plugs.