Renogy 4-Module 41.8-In X 20.9-In 400-Watt Solar Panel

High solar cell efficiency : Monocrystalline 21%. EL tested solar modules; no hot-spot heating guaranteed. IP65 rated junction box provides complete protection against environmental particles and low pressure water jets. The Renogy Wanderer Li is equipped with multiple electronic protections; overcharging, overload, short-circuit and reversed polarity. Don't let traditional gas-powered generators or power hookups slow you down. Renogy 400 Watt 12 Volt Solar Bundle Kit silently recharges your batteries so you can enjoy the great outdoors without the extra noise. Solar panels also allow you to run limited low watt electrical equipment without a power hookup. Renogy Bundle Solar Kits are carefully arranged to meet your needs.