Suaoki Portable Solar Panel Car Battery Charger 18V 18W SunPower, Cigarette Lighter Plug, Battery Charging Clip Line, Suction Cups, Battery Maintainer for Automobile Motorcycle
AR BATTERY TENDER: output voltage of 18V and 18 watts of energy; perfect for maintaining batteries of automobile, motorcycle, tractors or snowmobile
18W SUNPOWER SOLAR PANEL: the solar panel is flexible and capable of slight bending; high solar cell efficiency of 22.5%; 18W output works better than 4.5W, 7W of similar products
BUILT-IN BLOCKING DIODE: prevent your batteries from discharging backwards through your solar panels at night when charger’s voltage is lower