This is the TrakPower 2S 7.4V 2400mAh Receiver Flat Battery Pack.
FEATURES: Optimum power for 1/8 scale glow racing
Universal discharge and balancing connectors
Ideal for high voltage servos and receivers
INCLUDES: TrakPower 2S 7.4V 2400mAh Receiver Flat Battery Pack with Universal
Discharge and Balancing Connectors
REQUIRES: LiPo compatible charger with balancer such as the Duratrax Onyx 235,
(DTXP4235) or the TrakPower VR-1 (TKPP5000)
SPECS: Number of Cells: 2S
Rated Pack Voltage: 7.4V
Discharge Connector: Universal
Balance Connector: TrakPower
Pack Dimensions: 3.3 x 1.2 x 0.7" (85 x 30 x 17mm)
BOX DIMENSIONS: 3.63" W. X 1.88" H. X 6.88" L.