Off-grid inverters are designed to work alone and cannot synchronize with the grid. They connect to the property in place of grid power and cannot work in conjunction with it. Off-grid inverters must supply power from DC to AC instantly to operate the appliances. The off-grid inverter draws power from the battery, converts it from DC to AC, and then outputs it to the load. It is capable of running without the grid, and it is also called a standalone inverter. The off-grid inverter can provide the AC output to the loads, and it can also charge... read full review »