The AIMS Power 4000 watt 24 volt pure sine low frequency inverter charger is one of the best in its class. This inverter charger is a perfect product to create an environmentally-friendly power system with. Its high-wattage capacity allows for use in almost any application, and this inverter charger s 24 volt capacity allows for maximum efficiency. This inverter charger is perfect for industrial use but can also be a great tool for savvy consumers.Features. 4000 watt low frequency inverter..