Characteristics ·Uninterruptible power supply, switching within 20ms, peak-shaving and valley-filling ·Multiple working modes, so that the rate of self-use reaches 95% ·High charging and discharging efficiency, improving the economic benefits of the system ·Compatible with lead-acid and lithium batteries, and can match economic solutions in different markets ·Intelligent BMS management function to improve battery reliability ·Using high-frequency isolation technology to make the system safer and longer service life ·24-hour intelligent energy management, one-button remote control and upgrade function, real-time grasp of the status of photovoltaic power plants   Application ·Places where there is no spare power due to power outages or photovoltaic self-use ·Places where the electricity price for self-use is higher than the on-grid price ·Places where the peak electricity price is higher than the normal electricity price System Parameters   Solar panel power 400W Solar panel voltage 41V Number of solar panels 12PCS 14PCS 20PCS Photovoltaic DC cable 1 SET MC4 connector 1 SET Battery voltage 48V Battery capacity 100Ah 200Ah Battery communication method CAN/RS485 Inverter off-grid rated output power 3KW 5KW Maximum output apparent power on off-grid side 4. 5KVA, 10S 7KVA,10S Rated output voltage on off-grid side 1/N/PE, 220V Rated output frequency on off-grid side 50Hz Off-grid switching time <20ms Rated output power of inverter connected to the grid 3KW 3.6KW 4.6KW 5KW 6KW Maximum output apparent power on the grid-connection side 3.3KVA 4KVA 4.6KVA 5.5KVA 6KVA Rated output voltage on grid side 1/N/PE,220V Rated output frequency on grid side 50Hz Working temperature -25~+60°C Cooling method Natural cooling Maximum working altitude 3KW AC output copper core cable 1 SET Distribution box 1 SET Auxiliary material 1 SET Photovoltaic mounting type Aluminum /Carbon steel mounting （one set）