Hyperion G3 Cx 5000 Mah 5S 18.5V 25C/45C Lithium Polymer Battery Battery Pack Dimensions: 136.5 mm x 42.4 mm x 51.2 mm Battery Pack Weight 621 g/21.91 oz. Specs At A Glance: Battery Voltage: 18.5 V; Battery Capacity: 5000 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: 25 Amps; Max Continuous Discharge Rate: 125 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