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Results tagged with batteries
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user 250930
An electric battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy. Connected a battery's negative to another's positive is a way to increase voltage, useful when a battery outputs low voltage.
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UPS doesn't provide any power on battery - Battery broken? [closed]
I have a CyberPower CyberPower BR850ELCD-AU UPS.
It is a couple of years old and when I tested it a few days ago, I noticed that on battery, i.e. unplugged from power it does not provide any power to …
- 115
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How to check with a simple multimeter whether an old lead-acid battery and its charger are s...
I have an old (ca. 10 years old) 6V lead-acid battery and a mains charger for it and I know the combination worked years ago.
Now I tried to recharge the battery and the charger's LED turns on durin …
- 115