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Shop Uninterruptible power supply
CyberPower ...
$189.95
Amazon.com
Amazon Basics UPS 400VA ...
$55.70
Amazon.com
APC UPS 1500VA UPS Battery ...
$169.95
Amazon.com
APC UPS 1000VA UPS Battery ...
$169.99
Amazon.com
Uninterruptible power supply
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An uninterruptible power supply or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.
Wikipedia
Battery life
:
3 to 5 years