... .Overload protection WELLSEE WS-IC500 500W car battery inverterBrand WELLSEEModel: WS-IC500Features1. The car battery inverters are manufactured by imported components ... the internal power supply completely, which protects the storage battery from damages. 4. The self-protection design makes ... pure sine wave inverters, 1000W-6000WWS-IC series car power inverters, 150W,200W,350W,500W,1000W,2000WPls ...