Description PV18-1012 VPM II is a multi-function inverter/charger, combining functions of inverter, MPPT solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications. Features: -Pure sine wave output -Smart LCD setting (Working modes, Charge Current, Charge Voltage, etc.) -Built-in MPPT 60A solar charge controller -New SUB working mode (Solar-Utility-Battery working mode) -Combining solar system, AC utility, and battery power source to supply continuous power -Overload, short circuit and deep discharge protection -Parallel operation with up to 3 units (Available for 4KW/5KW Models only) -Cold start function -Support USB, RS485 monitoring function -WIFI remote monitoring (optional) -Compatible to generator Specifications: Inverter Output: -Nominal Battery System Voltage: 12VDC -Rated Power: 1000W -Wave Form: Pure sine Wave -AC Voltage Regulation (Batt. Mode): (220VAC~240VAC) ±5% -Inverter Efficiency Peak: 93% -Transfer Time 10ms (UPS / VDE4105) 20ms (APL) AC Input: -Voltage: 230VAC -Selectable Voltage range: 170~280VAC (For personal computer) / 90~280VAC (For home appliances) / 184~253VAC(VED4105) -Frequency Range: 50Hz / 60Hz (Auto sensing) Battery: -Normal Voltage: 12VDC -Floating Charge Voltage:13.7VDC -Overcharge Protection: 15.5VDC Solar Charge & AC Charger: -Maximum PV Array Open Circuit Voltage: 55VDC -Standby Power Consumption: 2W -(PWM) Maximum Solar Charge Current:50A -Maximum AC Charge Current: 10A or 20A -Maximum ChargeCurrent:70A What's in the box 1x 1KW 12V/60A Pure Sine Wave Hybrid Inverter - MUST MPPT 1x User Manual