Fast Charging Using cutting-edge cell technology, the 100W rigid solar panel has a high conversion efficiency rating of up to 23%, charging your Power Kits batteries in record time. Installation-ready   Pre-drilled slots around the panel's edge make it convenient to mount securely on your van’s roof. Weatherproof & Durable  The rigid panel balances design with robust materials allowing the panel to weather any storm while still offering the same excellent performance and aesthetics for years. Universally compatible  With an all-inclusive solar connector, the 100W rigid panel works with other 3rd party solar systems and power stations.