If efficiency, reliability and affordable are high on your wish list, ECO-WORTHY 4000W 48V expandable MPPT Solar Kit is an ideal choice. The power of 16KWh per day under 4 hours full sunshine, very suitable for home, shed, cabin, farm or other energy backup, and it will provide enough power for TV,air/window condition, water heater, refrigerator, coffee maker, microwave and other AC 110V devices.