Komaes 100 Watts 12 Volts Monocrystalline Solar Bundle Kit with 20A PWM Charge Controller + 20ft MC4 Connectors Industrial and domestic solar panel with high modules conversion efficiency. Ideal output: 500 watt hours per day,can fully charge a 50Ah battery from 50% in 3 hours (depends on sunlight availability) PV solar panel diodes are pre-installed in junction box and a pair of 30 inches cables with MC4 connectors comes with the panel automatically Withstand heavy snow (up to 5400 Pa) and strong wind (up to 2400 Pa). Performs great in low light environments. The kit now Includes 20A PWM charge controller and one pair 20Ft 5AWG Adaptor Kit MC4 Solar Cable. With the Komaes 20A PWM Charge Controller, you can expand your system up to a maximum of 400W. 100 watts solar panel features: Long service life up tp 25 years;High efficiency solar cells; Special aluminum frame design; Advanced cell encapsulation.