PV1800 VPM Series(1-5KW) This is a multi-function inverter/charger, combining functions of inverter, MPPT50A/80A solar charger 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. Features: Rated power 1KW to 5KW Pure sine wave output Smart LCD setting (Working modes, Charge Current, Charge Voltage, etc). Bult in MPPT50A/80A solar charge controller Combining solar system, AC utility, and battery power source to supply continuous power Overload, short circuit and Deep discharge protection Cold start function Support USB, RS485 monitoring function with free CD WIFI remote monitoring (optional) Compatible to generator 3KW-5KW support parallel function(optional)