Voltage: 9.9v Capacity: 1100mah Size:16 x 20 x 128mm WARNING USE A LiFe BALANCE BATTERY CHARGER ONLY! ALWAYS CHECK CELL VOLTAGES BEFORE AND AFTER CHARGING. MINIMUM CELL VOLTAGE 2.5V. THE FULLY CHARGED VOLTAGE IS 3.6V CELL MAX. MAXIMUM CHARGE CURRENT 3C. DO NOT LEAVE THE BATTERY UNATTENDED DURING THE CHARGING PROCESS. ALWAYS USE A CHARGING BAG WHEN CHARGING. 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.