SUAOKI 12V Solar Car Battery Charger, 18W Trickle Solar Panel Charger, Portable and Waterproof Solar Battery Maintainer, Suitable for Motorcycle RV Boat Marine Snowmobile Tractor ATV Marine Trailer

Key features

• CAR BATTERY MAINTAINER: perfect for keeping automobile charged to lengthen the life expectancy of car batteries; output voltage of 18V and 18 watts of energy
• 18W SUNPOWER SOLAR PANEL: made of premium quality SunPower solar panel with high solar cell efficiency of 22.5%; 18W output works better than 4.5W, 7W of other similar products
• BUILT-IN BLOCKING DIODE: prevent your batteries from discharging backwards through your solar panels at night when charger’s voltage is lower
• PORTABLE & DURABLE: weighs only 345g/ 12.49oz for easy transport; made of water resistant and heat resistant material; designed for long term use
• CHARGE VIA CIGARETTE LIGHTER PLUG: no need to open the car bonnet, you can charge the car battery directly using cigarette lighter plug