... Bus Box , Direct Current Distribution Cabinet , Solar Charge Controller, Battery, Inverter and Alternating Current Distribution Cabinet. Working Principle: the ... stored in the battery for the evening, cloudy and rainy days.*Solar Panel: 5000W(250W/36V*20pcs)*Battery: 2V800Ah ... power consumption 26 KWH. *Total power consumption of loads should not exceed 4000 W per hour 5KW Off grid Solar Power System