Complete 30 Watt Solar Panel Kit: 30W Polycrystalline Solar Panel + 20A Charge Controller + MC4 Connectors + Mounting Z brackets for 12V Off Grid Battery Charging Boat RV Gate Complete kit includes: 30 Watt Polycrystalline WindyNation Solar Panel, 20-amp LCD Solar Charge Controller, 40 feet of UL Listed 12 AWG Solar Cable, all necessary MC4 Connectors, all necessary mounting hardware and Installation Manual. Designed for RVs, cabins, homes, boats, gates, back-up and remote power use Perfect kit for 12 volt battery charging Kit will provide on average 180-360 Watt Hours (Wh) or 8-15 Amp hours of charge per day (depends on sunlight availability) 30 Watt solar charging kit provides up to 30 watts of clean, free, renewable power