Features: 1. Flexible solar panels are an alternative to solar modules-lighter and thinner. It can automatically, silently and maintenance-free charge your car 12V battery in your RV, caravan, boat or other vehicle 2. Unique frameless design, including six metal reinforced mounting holes for easy installation 3. High light transmittance, flexible laminate material is less prone to cracking than traditional glass 4. Excellent electrical performance under high temperature and low light environment 5. The positive and negative leads are equipped with photovoltaic connectors 6. Two bypass diodes minimize the performance degradation due to partial shading Product information: Weight: 260g Size: 411*200*2.5mm Packing size: 465*215*35mm Package weight: 430g+150g (controller) Maximum power: 8W Open circuit voltage: 20V Maximum power voltage: 18v Short circuit current: 0.6A Maximum power current: 0.4A Output: USB DC5521 18V Packing list: 1*solar panel, 1*solar controller, 1*car charger, 1*battery clip, 4*suction cup, general manual