Descriptions: 1. Under 10,000LUX standard light source, the max output current can be 500mA and the max empty-loaded voltage can be 18-20V. (The weaker the sunshine is and the lower the temperature is, the lower the output current is) 2. You should do slipstream charging to 12V cars or other electric appliances to maintain battery level and service life. Automatic car battery maintenance can be conducted at any weather condition. The battery panel is shock-proof, rust-proof and dust-proof. It not only can be used on cars, but also can be used on campers, yachts, motorcycles with 12V battery. Due to solar slipstream charging, it keeps your battery full anytime.
Specifications: Material: German monocrystalline silicon solar panel Power: max. 8.5W Voltage: empty loaded: 18-20V loaded: 12V Product size: 365 X 175 X 5mm/14.4 X 6.89 X 0.20" Package size: 380 X 185 X 50mm/15.0 X 7.28 X 1.97" Net weight: about 339g Gross weight: about 529g
Tips: When the weather is fine and there is no sunshine, after you power off your car, you can still listen to the radio because of the electricity provided by this panel battery. If there is sunshine, it works better.
Notes: 1. If the battery completely runs out, there may be some malfunctions on the battery. Please change battery for further use. 2. The LED indictor works as the light brightness changes. The dim light does not mean malfunction, please don't worry and continue to use. 3. It is compatible with 12V battery when the temperature is 0~60℃. It has backflow protection and works better for a long time use.
Package Content: 1 X Car Solar Panel Battery Charger 1 X Power Cable 1 X USB Cable 2 X Suckers 1 X Manual