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A car usually uses a 12 volt (12V) battery. A mobile phone usually uses a 3.6 volt (3.6V) battery. AA, AAA, C and D batteries are 1.5 volt (1.5V) Watch batteries are 3 volts (3V) Some batteries are rechargeable. It is very important that you don’t try to recharge a non rechargeable … ................
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