... voltage7.4V Battery capacity5400mAh continuous discharge rage35C Size(L*W*H)20.5mm x 44mm x 138mm Approx. Weight 272g TypeLi-polymer battery ... components , like IC, Capacitor , Resistor , Module , Sensor , Diode , Laser Diode , Crystal Oscillator, Connectors , Potentiometer , Switch , Ect ...3. Company TenetWe are focus ...