Silverline - INVERTER (150W) - 219336 Converts 12v DC batteries to 230v AC,suitable for use on appliances up to 150w-2000w(depending on size selected). For use in most cars, caravans, boats & lorries. Overload and short circuit protection. 150w and 300w supplied with cigarette lighter plug. 500w, 700w, 1000w & 2000w