NP Power 1600mah 7.4v LiPo Nun-Chuck. Burst Rate: 40 C at 64 A. Capacity: 1600 mAh. Cell Count: 2. WARNING STOP USING THIS BATTERY IF THE TEMPERATURE EXCEEDS 70C OR THE CELLS SWELL AND EXPAND. FAILURE TO COMPLY MAY RESULT IN AN EXPLOSION, FIRE AND VENTING OF THE CELLS.
eBay