Solar household small system
Solar household small system is generally composed of photovoltaic array, solar charge and discharge controller, battery pack, off grid inverter, DC load and AC load. If the output power is AC 220V or 110V, the inverter shall also be configured. Photovoltaic array converts solar energy into electric energy when there is light, supplies power to the load through solar charge and discharge controller, and charges the battery group at the same time; when there is no light, supplies power to DC load through solar charge and discharge controller, and supplies power to independent inverter directly, and supplies current and AC load through independent inverter inverter Power supply.
1、 User solar power
(1) Small power supply is 10-100w, which is used for military and civilian living in remote areas without electricity, such as plateau, island, pastoral area, border guard post, etc., such as lighting, TV, recorder, etc.; (2) 3-5kw family 

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