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One is AC and the other is DC.

AC- alternating current is used in electrical outlets

DC- direct current is used in batteries.

An electrical outlet in your house would have 120 volts (the ones you use most, your tv, lights, radio are plugged into) or 240 volts (the ones your stove and dryer plug into).

A battery voltage varies widely: AA & AAA batteries have 1.5 volts, a 9 volt battery has 9 volts, your car battery has 12 volts.

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14y ago
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11y ago

A battery puts out a (fairly) steady voltage (DC - direct current) whereas the electrical outlet delivers alternating current (AC).

Batteries are typically much lower in voltage, e.g. 1.5V or 9V.

Car batteries are 12V.

The voltage from an outlet is 120V AC in North America and 220V AC in Europe.

The batter will deliver a very limited current before it dies whereas the electrical outlet produces a much higher current, typically 15 or 20A (amperes, "amps").

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Q: What is the difference between electricity in a battery vs the electricity in an electrical outlet?
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