10 Best PC battery backups 2026 in the United States

The Vertiv Liebert PSI5 Lithium-Ion UPS offers an impressive power capacity of 3000VA/2700W, making it highly suitable for those needing substantial backup power. Its lithium-ion batteries are a standout feature, boasting a lifespan up to three times longer than traditional VRLA batteries, which can provide peace of mind and lower long-term maintenance costs.

The compact and short-depth chassis design makes it a good fit for 2-Post racks and wall-mount racks, and its rack/tower convertible form factor adds flexibility for various installation scenarios. This unit also comes with a five-year warranty, covering both the UPS and the batteries, enhancing its reliability and value proposition.

However, the product does have some drawbacks. It is relatively heavy at 68 pounds, which may require careful handling and installation. Additionally, with dimensions of 22.4 x 26.4 x 11.1 inches, it may take up a considerable amount of space depending on the setup. The Vertiv Liebert PSI5 Lithium-Ion UPS is a robust and flexible choice for users with high power needs and non-standard installation spaces, but its weight and size could be potential concerns.

The APC UPS 1500VA UPS Battery Backup and Surge Protector, model BX1500M, is a robust and reliable power backup solution suitable for both home and office use. It offers a substantial power capacity of 1500VA/900W, providing enough backup for essential devices during power outages. With 10 outlets, it accommodates multiple devices, splitting them between 5 battery backup outlets and 5 surge protection-only outlets, which is quite versatile for managing different power needs.

The inclusion of a 1GB network dataline protection ensures your internet connection remains safe from surges. The 6-foot power cord and right-angle plug make it convenient to place in various setups without hassle. One standout feature is the Automatic Voltage Regulation (AVR), which stabilizes voltage fluctuations without draining the battery, prolonging its lifespan and ensuring consistent performance. The UPS is Energy-Star certified, promoting energy efficiency, and its replaceable battery feature means you can extend the unit's life easily.

However, the unit is somewhat bulky, weighing 24.2 pounds, and might be cumbersome to move around. Additionally, while it supports Powerchute management software for Windows, Mac users will need to rely on native settings, which could be a limitation for some. Despite these points, the APC BX1500M is highly rated by users, reflecting its reliability and effectiveness as a power backup solution, making it a top choice for protecting your electronic devices.

The APC UPS 1000VA is a reliable battery backup and surge protector designed to keep your electronics running smoothly during power outages and voltage fluctuations. With a power capacity of 1000VA / 600W, this UPS offers substantial backup power, allowing you to keep essential devices operational for a reasonable amount of time during blackouts. It features Automatic Voltage Regulation (AVR), which is beneficial as it corrects voltage fluctuations without using the battery, ensuring longer battery life and consistent performance. The unit includes 8 outlets, with 4 providing both surge protection and battery backup, and 4 offering surge protection only. This setup is useful for protecting multiple devices simultaneously, including computers and networking equipment, as it also includes 1 GB network dataline protection.

The form factor is relatively compact and lightweight at 15.87 pounds, making it suitable for home or office use without taking up too much space. Additionally, it is Energy-Star certified, indicating energy efficiency, and comes with a replaceable battery, extending the unit’s lifespan. On the downside, the APC UPS 1000VA may not provide extended runtime for high-power devices beyond its 600W limit, and replacing the battery can incur additional costs. However, with its solid performance and user-friendly features, this UPS is a strong contender for both personal and professional use.