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

Question

UPS

不间断电源，UPS或备用电池/飞轮，是当输入电源（通常是主电源）发生故障时向负载提供应急电源的设备。

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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.

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Dan @danj 声誉积分: 479.4千 Self employed contract worker 35 329 971 · Answer 1 · 2021-09-11T04:41:35-07:00

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35

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971

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

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