Features: It can be used as an alternative charger for car, truck, caravan, boat, motorcycle, RV battery or any 12V lead-acid battery. This battery charger is waterproof, which can be used outdoors.Durable and wear-resistance, ensures a longer service time. The charging temperature is -20-70℃. Flexible panels that can bend up to 30 degrees. The built-in blocking diode design effectively ensures no reverse discharge. Lightweight and easy to carry. You can place it in your car and charge anytime. High conversion efficiency, our polysilicon efficiency can reach 20%. Environmentally friendly and safer to use. Specifications: Color:Black Material:Silicon+ABS Power(pmax):20W Charging Time:2h ISC:1A Output Voltage:12V Output Current:1000mA Package Weight: 312g Package Size: 21 * 17.5 * 0.25cm Package list: 1 * Charger Plate