This replacement power tool battery for National EZ7540X is 100% compatible and will meet or exceeds original specification .So it can make your machine even more effective by replacing the original battery.This battery made by our professional power tools team has been tested for safety and designed for high performance.
HOW TO USE THE POWER TOOLS BATTERY?
After you receive the battery, pls pay attention..
If you use the electric drill, please don't discharge the battery till it can't work. when the mechine slows down, you should stop, and wait several minutes before recharge it.
But if you use it for electric hammer or other big devices .when the machine switchs up,pls wait several minutes before recharge it, thanks.
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