Products BT5120 BT10 BT100 BT200 Price $899.00 $49.99 $269.00 $499.00 Nominal Voltage 51.2V 12.8V 12.8V 12.8V Capacity 100Ah 10Ah 100Ah 200Ah BMS Board (5s) 100A 10A 100A 200A Continuous Discharge Current 50A 10A 50A 100A Energy 5120Wh 128Wh 1280Wh 2560Wh Product Size 20.5x10.6x8.7 inches 6x2.6x3.7 inches 13x6.8x8.5 inches 21x9.5x8.7 inches Product Weight 86 lbs 2.2 lbs 23.8 lbs 45 lbs Standard charge Current 20A 2A 20A 40A