Features 1、High Efficiency: The solar panel is made of materials with high conversion rate, which helps to greatly improve the charging efficiency. 2、Large Power Generation: The beehive structure design increases the power generation by 10%, achieving the most ideal charging effect in limited space. 3、Multiple Protection: Provide multiple protections such as overcharge, overdischarge, short circuit, overload, reverse polarity, etc. 4、Low Consumption: Automatic charging during the day and automatic shutdown at night without consuming battery power. 5、With Cable Kit: With 3pcs SAE cables, widely used in 18V batteries and DC charging equipment, such as cars, RVs, ships, ATVs, etc. 6、Portable Design: The foldable solar charging board is light in weight and thin in thickness, easy to use and carry. Specification Item Type: 18V Solar Charging Panel Power: 40W Conversion Efficiency: 20% Output Current: 3A Material: PET + EVA + PTP Package List 1 x Solar Panel 1 x Car Cable 1 x Battery Cable 1 x USB Cable 4 x Suction Cups