Upgraded 15W Solar Panel Battery Trickle Charger Kit Maintainer for

1、Solar charger maintainer and battery charger are for maintaining a 12-volt battery daily. You'd never have to worry about battery drain out anymore!

2、Efficient solar panels absorb sunlight and convert it into electricity for charging 12V batteries. No electricity bill is required!

3、Solar chargers don't consume battery power as they are equipped with anti-reverse diodes that prevent the battery from reverse-charging. The solar charger won't overcharge or damage the battery.

4、Solar charger is perfect for cars, trucks, motorcycles, campers, RV, boats, tractors, lawnmowers, farm equipment, and most 12-volt cycle batteries.

Specifications:
Photovoltaic cell: Single crystal 18v15W
Open circuit voltage: 21.6V
Open circuit: 733mA
Working voltage: 18V
Product size: 25.5 * 39.2 * 2cm
Conversion efficiency: 19.8%
Waterproof rating: IP65 life waterproof

A set includes:
Solar panel * 1
Suction buckle * 4
Black and red clip * 1
Car charger * 1
English manual * 1

Suitable for:
camping, hiking, home, garden, RV, car, all 12V batteries, etc