Hyperion G3 Cx 2500 Mah 5S 18.5V 25C/45C Lithium Polymer Battery Battery Pack Dimensions: 105.5 mm x 34.1 mm x 44.87 mm Battery Pack Weight 336 g/11.85 oz. Specs At A Glance: Battery Voltage: 18.5 V; Battery Capacity: 2500 mah; Battery Dishcarge Wire Size: 12 awg; Battery Balance Connector: Yes ;Battery Discharge Wire Length: 120; Battery Discharge Connector: none Capable of charging at a maximum 5C Charge rate: 12.5 Amps; Max Continuous Discharge Rate: 62.5 Amps Suggested Accessories: Hyperion EOS 0606i DC Charger, Hyperion EOS 0606i AC/DC Charger, Hyperion EOS 0615 Duo Charger, or Hyperion EOS 0720i AC/DC Charger