A combination device that combines a powerful 3000 VA (2400 W) inverter and a charger with a maximum charge current of 35 A for systems with a battery voltage of 48 V. It provides a stable sine-wave output voltage of 230 V, supports parallel and three-phase operation, and PowerControl and PowerAssist functions to optimize the use of electricity. The device is equipped with built-in protection against short circuit, overheating and overload, which guarantees safe and reliable operation.