To Remove Battery PackRelease battery pack from cordless clipper bottom by gently pulling on the two side tabs. Exchange the discharged battery with a charged battery pack from the recharging/storage stand. The discharged battery pack, when placed in the recharging receptacle, should be fully charged within 70 minutes and have a run time of up to 60 minutes.This unit has been upgraded and now has an environmentally friendly nickel-metal hydride (NiMH) battery.
Wahl NiMH Battery Pack