Guangzhou QueensWing is a supplier of power inverter, solar charge controller, solar panel to dealers and distributors worldwide serving the healthcare, electronic system, safety, industrial and military affairs. QueensWing offers solar products including£º Power inverter (Car power inverter, UPS+charger inverter, pure sine wave inverter) Solar charge controller ( PWM, MPPT) Solar panel (Poly, Mono) Battery (VRLA type, GEL type)