5kva 48v pure sine wave inverter, needs minimum of 4 batteries (12v each), can power 1hp ac, freezer, fridge, pumping machine, tvs, lights, fans, laptops, phones etcThis is a multi-function inverter/charger, combining functions of inverter and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications. Pure sine wave output Smart LCD setting(Working modes, Charge Current, Chargevoltage, etc.) Powerful charge rate up to 35Amp Built-in pure copper UI transformer DC start &Automatic Self-Diagnostic Function.Very durable, long lasting, best inverter available, can connect to 4,8 or 12 batteries (12v batteries) or you connect to a 48VDC lithium battery.This is a multi-function inverter/charger, combining functions of inverter and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications. Pure sine wave output Smart LCD setting(Working modes, Charge Current, Chargevoltage, etc.) Powerful charge rate up to 35Amp Built-in pure copper UI transformer DC start &Automatic Self-Diagnostic Function.