Application: 1. It can be used as an alternative charger for cars, trucks, caravans, boats, motorcycles, RV batteries or any 12V lead-acid batteries. 2. It is also suitable for emergency lights, advertising lights, traffic lights, electric fans, and solar pumps equipped with DC or USB ports. Features: 1. Equipped with 12V DC5.5x2.1 and 5V USB output interface. 2. Dedicated to charging 12V batteries and 5V devices. 3. The front panel is made of EVA PET, which is flexible, light and durable. 4. Monocrystalline solar cells with an efficiency of up to 21%. 5.4 x Suction cup and 2 free Carabiners make installation more convenient. 6. IP65 waterproof, suitable for outdoor use in light rain. 7. Pack properly with sponge pad and corner protector. 8. Build-in industrial micro controller 9. Big LCD display, all adjustable parameter 10. Dual mosfet reverse current protection, low heat production 11. Dual USB output, the maximum current of 2.5A 12. Build-in short-circuit protection, open-circuit protection, reverse protection, over-load protection 13. Suitable for solar green light, solar light boxes advertising board, solar insecticidal lights, housing solar power generation system, marine solar power generation system, outdoor survival solar power generation system Specification: Solar Panel: Material: EVA + PET Maximum power: 100W Continuous power: 50W Peak power: 80W Vpmax: 18V Output: USB Panel size: 540x280x2.5mm Colour: Black