Daily Power of 40KWH The power of 40.56KWh per day under 4 hours full sunshine, very suitable for home, villa, shed, cabin, workshop, farm or other off-grid occasion, and it will provide enough power for TV, air/window condition, water heater, refrigerator, coffee maker, microwave, Electric drill and other AC 110V devices. (Note: As there are many parts in the system, please contact customer service to determine the appropriate distribution method)Super-High Capacity & 10+ Years' life Batteries With 12V 280Ah lithium batteries, which have higher charging/discharging efficiency and more than 6000 times deep cycles than lead acid batteries. Built-in BMS chips(battery management system), can also prevent the battery from getting damaged and provide multi-protections.Metal Shell,defense of all potential risk.Much Safer,prevent Fire, Spike,Explosion, Crash.Reliable UPS Function Composed of 5000W 48V DC-110V AC pure sine wave inverter and 80A MPPT controller. Not only can it be used off-grid, but when there is no sunlight, it can also receive electricity from the grid to charge the battery to meet all-weather use, which will protect appliance life with no electromagnetic pollution and has 99.9% high efficiency power.You can remotely monitor the running status of the system through APP.Multifunctional split phase hybrid inverter 5000W 48V DC-110V AC All-in-one inverter built in 80A MPPT controller. Supports carrier without battery and grid connection. It can directly convert photovoltaic energy into direct current for DC load when there is no battery or battery is full. Supports free setting of charge and discharge time, avoid the peak of electricity consumption. Supports a maximum of 6 devices in parallel. Configure WiFi module to dynamically monitor the screen.The 410W solar panels are so large that they can only be shipped on pallets. They also need to be returned on pallets.Due to the high return cost, the buyer needs to bear the return cost themselves unless there is a quality issue with the product. Please purchase with caution！