Most power inverters are designed to convert 12-volt, 24-volt, or 48-volt DC to 120-volt AC. These inverters are commonly used in recreation vehicles and solar power systems. Special inverters can be connected together to produce 220-volts. This process is called stacking.
[pdf] A 220 volt power inverter converts direct current to conventional alternating current. When you do not have normal power supply, a 220 volt inverter can be used to run your electronic equipment. So your important jobs do not hinder in the absence of normal power supply.
[pdf] Note!The battery size will be based on running your inverter at its full capacity Assumptions 1. Modified sine wave inverter efficiency: 85% 2. Pure sine wave inverter efficiency:90% 3. Lithium Battery:100.
[pdf] 
