This household PV system includes solar panels (from Longi solar, JA solar, Jinko solar or other brands), lithium iron phosphate batteries, inverters, mounts and cables.
This system uses batteries to store the solar energy, at the same time, the system can be connected with the grid for utilization of grid power optionally.
The system can prioritize battery or grid power. But when sunshine is not so good or loads consumption is too big which caused the battery power inadequacy, then the system can switch automatically to grid power supply. When the batteries restore capacity, the system can switch back to battery power source.
If the total power of all the household appliances is less than 12KW, in principle, you can choose such a configuration.

ITEM	SPECIFICATION	QTY
Solar Panel	· Type : Monocrystalline Silicon PV Module; · Max Power : 620W / PCS; · Vmp : 42V ; · Grade A; · With connected cable; · 25 years power output guarantee; · Normally power generation is about 22 (average sunshine 3 hours) -37KWh (average sunshine 5 hours) per day.	12 PCS
MPPT Inverter	· 12 KW pure sine wave inverter; · MPPT charge controller; · Input voltage : DC 51.2V; · Output: 110V/120V/220V/230V/240V 50/60HZ; · AC & DC Hybrid: With automatic conversion function of mains power, you can set priority to use solar or mains power .	1 PCS
Battery	· Lithium LiFePo4 :51.2V 300 AH; · A grade Integrated advanced independent lithium battery .	1 PCS
Solar Panel Bracket	· Slope roof type mounting rack including complete fittings; · Materials : 6005 A grade aluminum alloy. · Bracket lifespan :25 years	1 SET
Accessible appliance	· The total power is less than 12KW : lights, fans, TVs, stereos, refrigerators (24 hours), rice cookers, washing machines, Household water pumps, 3 sets of air conditioner 9000BTU ( rate power 800W)for 5 hours at the night all the time at the daytime(when the sunshine is strong). · Heater can be used.

The following configuration is a recommendation made by our experienced engineers after investigating the electricity usage of various households around the world. This can ensure that households always have an adequate power supply.

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