... 4. Factory price, good quality Home solar power system, including below:1. Home solar panel: High efficiency polycrystaline 100W 2. ... discharge,2V 200AH4. Controller:48V 100A,PWM pulse width control,intelligent microcoputer to protect from over-charging, over-discharging, ... overvoltage overcurrent, reverse-connection and night reverse-charging5. Panel stents: One stent for every 8 modules, Q235 steel ...