Hyperion G3 Cx 3300 Mah 4S 14.8V 25C/45C Lithium Polymer Battery Battery Pack Dimensions: 135 mm x 43.4 mm x 28.8 mm Battery Pack Weight 364 g/12.84 oz. Specs At A Glance: Battery Voltage: 14.8 V; Battery Capacity: 3300 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: 16.5 Amps; Max Continuous Discharge Rate: 82.5 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