DOKIO 100W 18V Monocrystalline Solar Panel to Charge 12V Battery for Caravan Van RV Boat Off-Grid Home\nProduct Details\n--POWERFUL HIGH CONVERSION EFFICIENCY - With high efficiency monocrystalline solar cell, bypass diodes minimize power drop caused by shade. Even in cloudy day, it has good power generation efficiency.\n--EASY TO SET UP AND USE - 4 mounting holes are available to attach fasteners. Waterproof design, tough, sealed aluminium frame is perfect for all weather conditions.\n--ROBUST AND WATERPROOF - Corrosion resistant aluminum frame for extended outdoor use, allowing the panels to last for decades. Withstand high wind (2400Pa) and snow loads (5400Pa).\n--RELIABLE POWER OUTPUT - DOKIO 100W Solar Panel provides 400-500W of electricity per day (depending on sun availability). DOKIO Solar Panel is compatible with motorhome, camper, shed, home, boat and off-grid systems.\n--LONG SERVICE LIFE - Advanced encapsulation material with multilayered sheet laminations to enhance cell.