The Luminous EvoVolt Neo 1100VA, 12V inverter offers a max load of 924W and a charging current of 17A. When purchasing this unit, a 1 x 12V Inverlast Tall Tubular battery, either a 150Ah, 200Ah or 220Ah is required for operation. This is a DIY unit as it has a standard connection for AC in and AC out.