5W amorphous solar panel 1. Works in all weather conditions, including low light and cloudy conditions. 2. Ideal for deep cycle or multiple battery banks 3. Water, shock, rust resistant 4. Anodized aluminum alloy frame 5. Easy connect (alligator battery clamp + 6 feet connecting wire) attached. 6. Multiple pieces can be connected to get higher power 7. Mounting brackets and supporting rod can be provided upon request 8. Weather resistant junction box with blocking diode to prevent reverse charging 9. User? friendly, no running cost. 10.Can be used to charge any 12V rechargeable battery, or any 12V application. 11.Technical data: Power output : 5W Optimum voltage: 17.50V Optimum current: 290mA Size: 313X465X19mm (Tested under standard condition: AM1.5, 100mW/ square meter, Module at 25 degree)