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40V Battery: Compatible with all PowerSmart 40V 4.0Ah tools.
Versatile Usage: 40V Battery Compatible with all 40v PowerSmart Power Tools, DB2701,HB2421A,DB2201B,PS765000C
Safe and Reliable: The integrated LED battery level indicator allows users to monitor battery usage, and the built-in integrated microchip prevents overcharging, self-discharge and extends battery life.