100W 18V Flexible Solar Panel Monocrystalline,DFITO Semi-Flexible ETFE Lightweight with MC4 for RV Marine Boat Camper Van Trailer Off-Grid Power,1Pack

This ultra-light, flexible solar panel uses premium monocrystalline cells with up to 21% conversion efficiency, delivering more power in less space. The thin PET laminate design resists cracking, bends to curved surfaces, and installs easily with screws or 3M adhesive—perfect for RVs, boats, trailers, and off-grid use. An IP67 waterproof junction box, anti-backflow diodes, and built-in short-circuit and over-voltage protection ensure safe, stable charging for 18V batteries in any weather. Durable, UV- and heat-resistant materials keep the panel reliable season after season.

Precautions for use

1. When connecting, you must pay attention to the correct installation procedure. First connect the solar controller to the battery, after correct connection, the controller will display the voltage parameters.

2. Then connect the solar controller to the solar panel (be careful not to reverse the plus and minus poles of the solar panel). When the solar panel faces the sun, the controller will display the charging indicator.

3. In the third step, connect the DC load to the controller.

4. In the fourth step, connect the inverter to the battery, turn on the inverter, and then connect the AC load to the inverter

Note that the connection order cannot be reversed