LF-PV Series Pure Sine Wave Inverter is a combination of an inverter, AC charger and Auto-transfer switch into one complete system.It is packed with unique features and it is one of the most advanced inverter/chargers in the market today Our inverter is designed with AC priority by default. This means, when AC input is present, the battery will be charged first, and the inverter will transfer the input AC to power the load.The AC Priority and Battery Priority switch is SW5.When you choose battery priority, the inverter will inverting from battery despite the AC input LF-PV Series Inverter is equipped with a powerful charger of up to 120Amp (depending on Model).The overload capacity is 300% of continuous output for up to 20 seconds to reliably support tools and equipment longer. the max chargecurrent can be adjusted from 0%-100% via a liner switch at the right of the battery type selector.This will be helpful if you are using our powerful charger on a small capacity battery bank Features: Smart Remote Control, Automatic Generator Starting (AGS), 8 pre Set Battery Type Selector plus De-sulphation for Totally Flat Batteries. 4-step Intelligent Battery Charging, PFC (Power Factor Correction) for Charger. 8 ms Typical Transfer Time Between Utility & Battery, Guarantees Power Continuity. 15s Delay Before Transfer when AC Resumes, Protection for Load when Used with Generator Applicantion:for all the kinds of load:circular saws,drills,grinders,sanders,buffers,weed and hedge trimmers, air compressors.computers,printers,monitors,facsimile machines, scanners.vacuum cleaners, fans, fluorescent and incandescent lights,shavers, sewing machines.coffee makers, blenders,ice markers, toasters.metal halide lamp, high– pressure sodium lamp.television, VCRs,video games, stereos,musical instruments, satellite equipment etc We are a renewable energy company that is focused on designing & manufacturing inverter charger, solar inverter, solar panel and other green energy products. If you're trying to build solar system for your RV and off-grid home, we are your best choice ! The LFPV Big Power Low Frequency Inverter Charger is a multi-function inverter, combining functions of inverterand battery charger to offer uninterruptible power support.