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An electric battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy.

2 votes

Can I charge a 12 Volt 2 Ampere UPS with a 9 Volt 0.6 Ampere Adapter?

The miniUPS clearly states that it takes an input of 12 V and a current greater than 1 A. The voltage of the input is the most important. Using a 9 V supply will probably not supply sufficient voltage …
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0 votes

How can one determine whether a LiPo battery is going bad?

You can use an RC battery checker, to verify the individual cells in a battery pack. These are cheap, for about $3. … If any cell is below 3V on a LiPo battery then it should be considered as dead, or dying, and hence, it should be replaced. …
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2 votes

Best power solution for my robot

Regarding the battery requirements, LiPo batteries are probably the way to go, but they do require looking after in order to prevent any nasty accidents from occurring. …
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