This product prevents the natural drain in 12Volt -acid found in car, boats, recreational vehicle, tractor, etc. Such natural drain tends to happen when 12Volt are left unused during an off season. -acid last longer when kept fully recharged at all times, even when not in use.

Features:
It can be used as an alternative recharger for car, truck, caravan, boat, motorcycle, RV or any 12Volt -acid .
Lightweight and easy to carry. You can place it in your car and recharge .
High conversion efficiency, our monosilicon solar panel efficiency can reach 22%.
You can use suction cups to install the solar panel on your windshield, or use the rear belt to fix it on the SunVisor.
It can be directly connected to the car-use or directly connected to the using an AlligatorClip.

Specifications:
Main color: black
Solar : 18V 20W
Working voltage of solar panel: 18V
Working current of solar panel: 280mA
Open circuit voltage of solar panel: 21.
Open circuit current of solar panel: 320mA
Efficiency: 22%
Item size: 325 * 125 * 5mm / 12.8 * 4.9 * 0.2in
Item weight: 100g / 3.5ounce
Package size: 325 * 165 * 20mm / 12.8 * 6.5 * 0.8in
Package weight: 200g / 7.1ounce

Packing List:
1 * Solar Panel
1 * Car-Use Cable
1 * Clip
1 * User Manual