10 Best Battery Backups 2025 in the United States

The Vertiv Liebert GXT5 UPS is a solid choice if you need a reliable and strong battery backup system, especially for critical equipment. It offers a high capacity of 3000VA (2700W), which means it can support multiple devices with a good amount of power. One standout feature is its four individually programmable output ports, allowing you to control and manage connected devices efficiently to save battery life. The device has a user-friendly color LCD with a gravity sensor, making it easy to monitor the status at a glance. It’s also Energy Star 2.0 certified, so it operates efficiently, which helps reduce electricity costs.

The safety features are robust, thanks to its online double conversion technology and lead acid battery type, ensuring clean and stable power delivery. On the downside, it’s quite heavy at over 77 pounds and fairly large, so it might not be the best fit if space or portability is a concern.

This UPS is well-suited for small to medium-sized business setups or home offices where reliable and continuous power is essential, but it might be more than needed for casual or light use.

The Liebert GXT4 UPS (GXT4-6000RT208) is a reliable uninterruptible power supply designed for critical equipment. With a power capacity of 6000VA/4800W, it offers robust protection against power outages. The online double-conversion technology ensures clean and stable power, extending battery life by conditioning the power supply without frequently using the battery. This UPS includes an automatic voltage regulation (AVR) feature, which helps maintain a consistent voltage level to your devices, further protecting them from power fluctuations.

Equipped with a network card, it allows remote monitoring through the Trellis power insight application, which is convenient for managing power usage and status updates. The battery runtime at full load is up to 5 minutes, and you can extend this by adding up to six external battery cabinets. Hot-swappable batteries mean you can replace them without shutting down the entire system, ensuring continuous operation. The unit comes with essential accessories like a rack-mounting rail kit, tower support stands, and cables for easy setup.

However, it's important to note that this model is now obsolete and has been replaced by the GXT5-6000MVRT4UXLN. The primary downside is its weight and size, making it relatively bulky and potentially challenging to install without adequate space. This UPS is suited for professional environments where uptime is critical, such as data centers or high-availability server rooms. With its high capacity and advanced features, it might be overkill for typical home use.

The Vertiv Liebert GXT5 UPS is a robust choice for those needing reliable battery backup, particularly in sensitive environments like servers and networking. With a power capacity of 2000VA and 1800W, it provides ample support for essential devices without risking overload. Its online double conversion technology ensures a consistent sine wave output, which is crucial for maintaining the health of connected electronics.

One of its standout features is the colored LCD display, which offers a user-friendly interface for monitoring the UPS's status and battery life. Its programmable outlets allow for tailored management of connected devices, optimizing battery use based on your needs. The unit is also Energy Star certified, demonstrating higher efficiency, especially when running in eco-mode, which can contribute to lower energy costs over time.

The UPS is quite heavy at 58.7 pounds, making it less portable if you need to move it frequently. While it excels in providing power, the sealed lead-acid battery may require eventual replacement, which can be an added cost. Additionally, while the updated firmware reduces fan noise, some users may still find the unit’s noise level higher than desired in quiet environments. The Liebert GXT5 is ideal for anyone who prioritizes high power capacity and reliability, such as small businesses, data centers, or home offices with critical equipment. However, if you're looking for a lightweight or extremely quiet solution, you might want to explore other options.