Komaes 400 Watts 24 Volts Polycrystalline Solar Starter Kit with 20A PWM Charge Controller + 20ft Tray Cable + 20ft MC4 Connectors + Mounting Z Brackets Ideal output: 2000 watt hours per day, can fully charge a 50Ah battery from 50% in less than 1 hour (depends on sunlight availability); Perform great in low light environment. Corrosionresistant aluminum frame for extended outdoor use. Withstand heavy snow (up to 5400 Pa) and strong wind (up to 2400 Pa). The kit includes Four 100w Polycrystalline Solar Panels, 20A PWM Charge Controller, one pair of 20ft 13AWG Tray Cable, one pair of 20Ft 13AWG Adaptor Kit MC4 Solar Cable and 4 set of Z brackets. Solar panel features: Long service life up to 25 years; High efficiency solar cells; Advanced cell encapsulation. Perfect design for residential roofs, business roofs, cabins, RVs, boats and remote power use.