500W GridTie Hybrid Inverter MPPT PSW for Solar PV Panels with battery discharge

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For sale used had it for week for testing only 500W Grid Tie Hybrid Inverter MPPT Pure Sine Wave for Solar PV Panels with possibility of battery discharge Specifications: Rated Power 500W Input(DC) PV open voltage range 16V-28V PV MAX input power(W) 590W MPPT Voltage range(V) 11-21VDC MPP tracking efficiency >99% MAX.DC current(A) 40A Suitable for Battery voltage(V) 12V Battery Low Voltage Protection(V) 11V Output(AC) PV mode AC MAX output (W) 500​ Battery mode AC output power 60W-450W Adjustable (24V Battery or above) AC output range 220VAC(190-260VAC) or 120VAC(90-135VAC) Frequency range 50Hz(48~52) or 60Hz(58~62) Power Factor >98% THD <5% Phase Shift <1% Stable real efficiency / 120V 85%​ Stable real efficiency / 220V 86%​ Other electrical data Protection Islanding; Short-circuit; Low Voltage; Over Voltage; Over temperature Protection Work Temperature ‘-25°C~ 80°C Work Humidity 0%~90%RH non-condensing Grade of Waterproof Outdoor design IP22 LED Show R&G&B LED Cooling Fan Stand-by Power <1W Matching component: Monocrystalline ,polycrystalline , thin-film solar panels. Mechanical data Net Weigtht 1.8kgs/pc Gross Weight 2.0kgs/pc Machine size(LxWxH) 22.2x16.2x5.5CM PV grid-connected inverter operating mode The grid-tied inverter has an automated working order, without needing to monitor. On detection the power output from solar panels, device will decide if the power was large enough to begin the conversion process. Coversion process includes 5 modes, Startup, Grid-tied begin, Standby, Stop, Fault-find. Startup - When the start button is on, solar panel and grid lines both connected in normal condition, inverter enters working condition. Grid-tied begin - Grid-tied begin mode is when inverter starts to convert the Direct Current fed through from PV solar panel to a stable Alternate Current and flow to the utility grid. To enable the maximum output of energy, the device uses MPPT control technology to track sun rays, this technology promises the maximum efficiency under diferent daylight and temperature conditions. Standby - Standby mode is when device detects insufficient power feeding through from the solar panel, or device detects abnormal status such as voltages, frequencies, and temperatures not in the permitted range, the device enters standby mode. Stop - Insufficient sunlight hence insufficient PV power feeding through to the device and device enters into the standby mode, when this condition continues and DC voltages falls below 12V for over 1 minute, the device will enter Stop mode. When error occurs, fault find indicator starts flashing, device will enter Stop mode. Please see 3.4 error status on LED indicator. Battery discharge and grid mode(With ADJ function models) 1.The DC input of the system can be directly connected with the battery, Turn the knob of the inverter to the right into the battery mode, then the tracking function will be turned off, the output power will be adjusted from left to right, At this point the output power can be adjusted from 60W-350W or so arbitrary output to ensure that the inverter can work for a long time in the grid status. 2. When the inverter connected to the battery discharge, if the battery voltage is too low, the inverter will automatically stop and cut off grid output to protect the battery over discharge to extend battery life. 3.Different specifications of the input voltage of the inverter will be used with different voltage battery, the battery voltage protection point please refer to the following Battery voltage Inverter Input Battery Low voltage protection Battery high voltage protection 12V battery 16V~28V 11V 14.5V 500W Micro Inverter with Adjustable Battery Discharge Mode, MPPT Pure Sine Wave Solar Grid Tie Inverter