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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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5 answers
1k views

Will this battery pack for an LED strip need a resistor?

I know 8 AA batteries will provide 12 volts but I'm less certain how they will react to the 1.5 amp draw. … I don't care about how long the batteries last, this is a one-time use. …
Kelly S. French's user avatar