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An Uninterruptible Power Supply (UPS) is an electrical device that provides backup power to critical equipment in the event of a power outage or other power-related issues.

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Why is my UPS showing 68% battery after having fully charged?

I bought a 2nd hand UPS from Ebay, a Eaton 9130 Tower UPS 2000VA 1800Watt.

It doesn’t charge more than 91% and after charger is disconnected, and unit is rebooted. It shows charge level 68%.

What is wrong with my unit?

I bought this 2nd hand from ebay for $200.

Answer this question I have this problem too

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The battery if failing, time for a new battery. Lead Acid batteries just breakdown over time.

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Imtiaz Mannan will be eternally grateful.
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