Compact 1kVA high–frequency, transformer–less inverter with integrated 1.5kWh battery pack and wall–mount design, using just one AC input cord and a 5–pin AC output socket for quick installation. It delivers efficient pure–sine backup power for home and mobility loads, can both charge external mobility batteries and use them as an additional emergency backup source when needed, and includes USB Type–A and USB Type–C PD ports for fast charging of phones, tablets, and other gadgets.