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10 Best Battery Backups 2025 in the United States
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Buying Guide for the Best Battery Backups
When choosing a battery backup, also known as an uninterruptible power supply (UPS), it's important to consider several key specifications to ensure you get the right product for your needs. A battery backup can protect your electronic devices from power surges, outages, and other electrical disturbances, providing you with peace of mind and uninterrupted power. Here are the key specs to consider and how to navigate them.Power Capacity (VA/Watts)Power capacity, measured in Volt-Amps (VA) and Watts, indicates the maximum load a battery backup can handle. This spec is crucial because it determines how many devices you can connect and how long they can run during a power outage. For small home setups with a few devices, a lower capacity (around 600-1000 VA) might suffice. For larger setups with multiple devices or more power-hungry equipment, you might need a higher capacity (1500 VA or more). Assess the total power consumption of the devices you plan to connect to choose the right capacity.
Battery RuntimeBattery runtime refers to how long the UPS can provide power to your devices during an outage. This is important because it determines how much time you have to save your work and safely shut down your equipment. Shorter runtimes (5-10 minutes) are suitable for brief outages or for giving you enough time to save your work. Longer runtimes (20 minutes or more) are better for areas with frequent or prolonged outages. Consider your typical power outage duration and the criticality of your devices to decide the appropriate runtime.
Number of OutletsThe number of outlets on a battery backup indicates how many devices you can connect. This is important to ensure all your essential devices can be protected. Basic models may have 4-6 outlets, while more advanced models can have 8 or more. If you have multiple devices like a computer, monitor, router, and external hard drives, you'll need a UPS with enough outlets to accommodate all of them. Count the number of devices you need to protect to determine the right number of outlets.
Type of OutletsBattery backups come with different types of outlets, including battery backup outlets and surge protection-only outlets. This spec is important because it helps you prioritize which devices need battery backup and which only need surge protection. Devices like computers and modems should be connected to battery backup outlets, while less critical devices like printers can use surge protection-only outlets. Check the types of outlets available and match them to your devices' needs.
Form FactorThe form factor of a battery backup refers to its physical size and shape. This is important for ensuring the UPS fits in your designated space. There are compact models for small spaces and larger models for more extensive setups. If you have limited space, look for a compact or tower form factor. For larger setups with more devices, a rack-mounted or larger tower model might be more appropriate. Measure your available space and choose a form factor that fits comfortably.
LCD DisplayAn LCD display on a battery backup provides real-time information about the UPS status, including battery level, load capacity, and any faults. This spec is important for monitoring the health and performance of your UPS. Basic models may not have a display, while more advanced models include detailed LCD screens. If you prefer to have easy access to status information, choose a model with an LCD display. If you don't need constant monitoring, a model without a display might be sufficient.
Automatic Voltage Regulation (AVR)Automatic Voltage Regulation (AVR) helps maintain a consistent voltage level to your devices, even when the input voltage fluctuates. This is important for protecting sensitive electronics from voltage spikes and drops. UPS models with AVR are beneficial in areas with unstable power supply. If you experience frequent voltage fluctuations, choose a UPS with AVR to ensure your devices receive stable power. If your power supply is generally stable, AVR might be less critical.