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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. 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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12v battery banks and amp hours

One bank is (6) cells made of (2) 6v, 12 amp hour sealed lead batteries each. Wired parallel to make a 12v, 144 amp hour bank. Is that correct? … Next I have a smaller bank, that is (2) 12v, 18 amp hour sealed lead batteries, paralled Making a 12v 36 amp hour, is that correct? If I'm on the right track I'm glad. So my last question is. …
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