1: BA 2,6 Ah Battery 54019101 BA 2,6 Ah/36V Lithium-ion Battery ABS housing Charging time: 90 min 3 LED indicators Weight: 1,2 Kg 2: BA 4 Ah Battery 54019103 BA 4 Ah/36V Lithium-ion Battery ABS housing Charging time: 90 min 3 LED indicators Weight: 1,3 Kg 3: BTC 36 V Battery charger 54019102 Voltage 36 V For Ba 2,6 Ah- Ba 4 Ah Battery