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A small battery charger typically uses between 5 to 50 watts, depending on the type and capacity of the batteries being charged. For example, a charger for AA or AAA rechargeable batteries generally consumes around 5 to 10 watts, while chargers for larger batteries, like those used in power tools or electric vehicles, can use significantly more power. It's important to check the specifications of the charger for exact wattage.

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1mo ago

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