A multifunctional device that combines a 5000 VA (4000 W) inverter, a charger with a maximum charging current of 70 A and a high-speed transfer switch. It runs on a 48V battery and provides a pure sine wave output of 230V. The device supports PowerControl, PowerAssist, parallel and three-phase operation, and has built-in protections against short circuit, overheating and overload. The dimensions of the inverter are 565 x 323 x 148 mm, the weight is 28 kg, and it operates within a temperature range from -40°C to +65°C.