This is multi-function inverter/charger ,combining functions of inverter, solar charger MPPT 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. Product Main Features: 2400W Pure Sine Wave Output With Up to 2X Surge Max 5 Seconds Built-in 40A MPPT Solar Charger, Max Solar Power 1000W Built-in 3-Stage High Efficiency 30A Battery Charger Total System Max Charging: 70A (40A Solar + 30A Utility) Generator Starter Dry Contact Free Monitoring Software Adjustable AC Input Voltage 90~280VAC Supports 50Hz or 60Hz via LCD Program Configurable AC/Solar Charger priority via LCD setting Works with 24Vdc Battery System Only Can work with Lithium battery Works With 220~240Vac Load Only Transformerless, light weight design RJ45 Comm port Transfer time