Hart 20V 4.0Ah Battery
Hart 20V 4.0Ah Battery . Our 20v 4.0 ah battery provides 4x the runtime. This battery is compatible with all hart 20v power tools. Hart 20V Brushless Drill and Impact Driver Combo HandsOn Review from www.protoolreviews.com Available configurations compare options (1) Battery chart that is on the back of packaging. The hart 20v battery is compatible with all hart 20v tools.