Item Tag: USB 5V, DC 18V

US Stock 30W 12V Solar Panel Trickle Charger Battery Maintainer for Car RV Boat

The complete accessory kit allows for plug-and-play installation, no complicated wiring required. 12V Battery Charging : Connect the alligator clip cable to the solar panel’s DC port, then attach the red clip to the battery positive pole and the black clip to the negative pole, to start trickle charging and maintenance.