Multi-Contact USA RV & Marine 12V Charging Kit With 640 Watt Solar Panel & 40 Amp MPPT Charge Controller

This system is custom designed by Northern Arizona Wind and Sun using the newest available equipment. The kit is perfect for small 12 volt battery systems, RV and marine applications. It comes with almost everything you need to complete the installation. If you have a small 12 volt battery system in a van, RV, boat or cabin that you would like to supplement the charging with solar, this kit is perfect. It comes with two Hanwha 320 Watt monocrystalline solar modules, z-bracket mounting feet, 2 8 foot MC4 extender cables, a 50 foot MC4 extender cable (25 foot after you cut it in half), MC4 branch connectors, a big baby box circuit breaker enclosure, and both a 30 Amp and 50 Amp circuit breakers. It also comes with a Morningstar ProStar PS-MPPT-40M maximum power point tracking (MPPT) solar charge controller with a built-in digital meter.