5KW Goodwe AC Coupled Hybrid Inverter (GW5000S-BP)The first AC coupled (GW5000S BP) battery storage retrofit product in the world, GoodWe SBP Series is made for both single phase and three phase systems. By including a backup battery, the SBP series provides a unique and effective solution to update current string inverter systems. It allows users to store extra power and sell it back to the grid during periods of high demand thanks to its UPS function and grid interactive features, maximizing energy