The S1 Battery 48V / 14.5Ah has that extra kick you need to go the distance with your SUPER73. It is removable for your charging convenience and is compatible with our standard Super73 charger. Please note that this battery is only compatible with the SUPER73-S1  3-Pin Charger Compatibility: 2amp, 3amp, 5amp 2 Keys are included Charger and Battery Mount are NOT included SUPER73 Decals Voltage: 48V Capacity: 14.5Ah Watt Hours: 700WH Weight: 8.2 lbs Typical shipping rates may be higher due to the weight of the battery All battery purchases are FINAL sale Dimensions L: 14in. W: 4.5in. H: 3.5in. View Electric Bike Battery Charging Guide and Tips View Lithium-Ion Battery Safety Manual