The new number one in performance and price!
Turnigy LiFe packs deliver full capacity at the said C rate.
You wont find a better deal in LiFePo4 flat Pack batteries anywhere!

Spec:
Minimum Capacity: 3400mAh
Configuration: 3S2P / 9.9v/ 3Cell
Constant Discharge: 30C
Peak Discharge (10sec): 40C
Pack Weight: 390g
Pack Size: 183 x 42 x 28mm
Charge Plug: JST-XH
Discharge Plug: 4mm Bullet-connector