1. Built-in controller on the back of solar panel, easier to use.
2. Suitable for all 12V batteries and 12V DC application
3. Completely weatherproof
4. one cable connect to chargeable battery, other cable connect to DC application.
5. Over charge/discharge protection.
6. Maximum power 30Wp
7. Nominal current:1.704A&17.6V in full sun
More specification:
Solar panel:
Output power (peak):30W
Working voltage: 17.6V
Working current: 1.704A
Open voltage: 21.6V
Open circuit current: 1.9A
Size:790×368×40 mm
Controller:
Max loading currency: 5A
Rated Wattage: 12V
Full charge cut: 13.8v (rechargeable battery)
Low voltage cut: 11.8v (rechargeable battery)
Cable: 3mts 0.5mm