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Manufacturers do, however, make cordless tools that can run off the same cordless battery. For example, a cordless drill, reciprocating saw and circular saw made by Dewalt should all be able to use the same batteries.
Ah is an abbreviation for ampere-hour or amp-hour. This describes the charge capacity of a battery, or how much current can be delivered at a constant rate as the battery is depleted over the course of one hour. For example, consider a hypothetical cordless power tool that continuously draws 1.0A of current.
Does a higher Ah battery give more power?
So in addition to having double the cells, the 5.0Ah battery also has a higher energy density in each one. In general, higher amp hours mean more runtime and higher voltage means more power.
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