Multi-Contact USA RV & Marine 12V Charging Kit With 640 Watt Solar Panel & 45 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 four Solarland 160 Watt monocrystalline solar modules, z-bracket mounting feet, two 8 foot MC4 extender cables, one 50 foot MC4 extender cable (25 foot after you cut it in half), a big baby box circuit breaker enclosure, and both a 30 Amp and 50 Amp circuit breaker. It also comes with a Morningstar TriStar TS-MPPT-45 maximum power point tracking (MPPT) solar charge controller.