▪ Max Output Batteries Provide Up To 2X More Power Compared To The 1.5 Ah Lithium ▪ Ion Battery (AC870015) ▪ Up To 3X More Runtime Compared To The 1.5 Ah Lithium ▪ Ion Battery (AC870015) ▪ Advanced Electronics And Innovative Cooling Technology For Extended Battery Life ▪ Mfg #AC840040