Black Decker VP110 VersaPak Gold 3.6-Volt 2 Amp Hour NiMH Gold Battery (Pack of 2) 3.6V - 1.2 AMP-Hr - nickel-metal hydride cell (NiMH) Provides 60% longer run time over the standard silver battery WILL recharge in any VersaPak charger you may have Interchangeable battery work with all VersaPak products Battery can be recharged over 300 times and has no memory