NW 5kw off grid solar inverter working way below optional:
1.The city power priority: when it have city power, inverter will work bypass output, city power take the load directly; when have both city power and sun power, inverter will charge 2 kinds power to battery. when city power failed, just charge solar power to battery .
2.Battery power priority: when it have sun power, just charge sun power to battery, and take the load, when it has not sun power, inverter will use battery power take the load. when battery power is lower, inverter will automatically use bypass function to take the load, and charge to battery at the same time.