- CAR BATTERY MAINTAINER: output voltage of 18V and 18 watts of energy; perfect for maintaining batteries of automobile, motorcycle, tractors or snowmobile
- 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 hood, you can charge the car battery directly using cigarette lighter plug. 18-month warranty and friendly customer service.
The solar battery charger is essential if you have seasonal vehicles that sit for months without being used. With this unit, your vehicle’s battery will still be as fresh as the day you left it. It’s designed to fully charge a battery and maintain it at proper storage voltage with free energy source – the sunlight.
18W SunPower Solar Panel
The solar charger has a high solar cell efficiency of 22.5%, and output voltage of 18V with 18W of energy, which is better than 4.5W, 7W of similar product on the market. It’s made of polycrystalline which is more efficient than monocrystalline silicon.
Two Ways of Charging
Simply plug the included cigarette lighter plug in the socket and place the panel facing the direction with the most sunlight possible. You can also use the crocodile clips to connect it directly to the battery. You can mount the panel on your windshield with the 4 suction cups.
The unit is not for charging your vehicle’s dead battery. It’s best as a solar battery maintainer that keeps your battery charged to lengthen its life expectancy.
Also, it is suggested to unplug the charger at night, just in case the blocking diode doesn’t prevent all reverse discharge.
Product Net Weight: 345g/ 12.49oz
Product Dimensions: 420 x 280 x 2.0mm/ 16.54 x 11.02 x 0.08in
Cells Type: SunPower Panel 18W
No-Load Voltage: 18-23V DC
Load Voltage: 18V
Short-Circuit Current: 1A
Solar Cell Efficiency: 22.5%
Solar Cell Dimensions: 4.9 x 4.9in
Working Temperature: -20°C ~ 65°C/ -4°F ~ 149°F
1 x 18W Solar Battery Maintainer Charger
1 x Crocodile clips (power cord 1.5m)
1 x Cigarette Lighter Plug (power cord 1.5m)
1 x User Manual
1 x Thanks Card