GMS MAX 7200 RGB LCD 48V Wi-Fi off grid solar inverter 7200w

Hybrid Off-grid Solar Inverter | 7200VA/7200W | 48VDC | 80A MPPT Charger | PV INPUT: 90VDC ~ 450VDC | WIFI Module

SKU: GMS MAX 7200 Category:

GRANKIA GMS MAX 7200 RGB LCD 48V Wi-Fi off grid solar inverter 7200w can simultaneously manage inputs from both solar panels and a battery bank, charging batteries with either solar panels or the electricity grid.

GRANKIA GMS MAX is a new generation inverter technology that comes with an inbuilt Wi-Fi monitoring device and company fitted battery wire, AC DC Distribution Box. This off grid solar inverter comes with elegant RGB lights on the front, different color to present output source from PV, Grid or battery and battery charge/discharge status.

GMS MAX off grid solar inverter 7200w can accept a high PV voltage range (90~450vdc) and it will facilitate PV system installation easily.

GMS Max 48v off grid solar inverter 3600W-7200W

This inverter is intelligent and programmable for maximising overall system efficiency and savings, also all-in-one inverter solution for grid-connected solar-plus-storage systems.

Off Grid Solar Inverter 7200W Features

  • Customizable status LED bar with RGB lights
  • Removable LCD control module with multiple communications interface for BMS(RS485, CAN-BUS, RS232)
  • Pure Sine Wave Output
  • Integrated 80A MPPT solar charge controller
  • Built-in WIFI module for mobile monitoring (Android App is available)
  • Built-in anti-dusk kit
  • Can run without battery bank connection
  • Supply load from Grid or PV, even battery is not available
  • Configurable AC/PV output usage timer and prioritization
  • Selectable high power charging current
  • Selectable input voltage range for home appliances and personal computers
  • Compatible to Utility Mains or generator input
  • Auto restart while AC is recovering
  • Suitable for lead acid battery, gel battery, lithium battery(with BMS communication)
  • Cold start function

GMS MAX solar inverter features








Hybrid Solar System Diagram

GMS MAX solar inverter system connection

Depending on different power situations, this hybrid solar power inverter is designed to generate continuous power from PV solar modules, battery, and the utility. When MPPT input voltage of pv modules is within acceptable range, this inverter is able to generate power to feed the grid(utility) and charge the battery. Galvanic isolation designed between PV/DC and AC output, so that the users could connect any type of PV array to this hybrid inverter.

Solar Inverter Overview

GMS MAX solar inverter front panel

GMS MAX solar inverter terminal details

1. LCD display                                  12. Current sharing port
2. Status indicator                            13. Parallel communication port
3. Charging indicator                       14. Dry contact
4. Fault indicator                              15. USB port as USB communication port and USB function port
5. Function buttons                          16. BMS communication port: CAN, RS-485 or RS-232
6. Power on/off switch                     17. Output source indicators
7. AC input connectors                    18. RS-232 communication port
8. AC output connectors                  19. RGB LED bar
9. PV connectors                              20. 12V DC output connectors (option)
10. Battery connectors                     21. Power switch for DC output (option)
11. Remote LCD module communication Port

Remote Display Panel Installation

The LCD display module can be removable and installed in a remote location with an optional communication cable.

Step #1: Remove the screw on the bottom of LCD module and pull down the module from the case. Detach the cable from the original communication interface. Be sure to replace the retention plate back to the inverter.

GMS MAX solar inverter remote panel remove

Step #2: Prepare your mounting holes in the marked locations as shown in the illustration below. The LCD module can be securely mounted to your desired location.

GMS MAX solar inverter remote panel mounting

Step #3: After LCD module is installed, connect LCD module to the inverter with an optional RJ45 communication cable.


GMS MAX solar inverter communication with PC


Solar Power Inverter in Parallel

#1. Single Phase in Parallel

GMS MAX solar inverter 6 units single phase in parallel connection

#2. Three Phase in Parallel

GMS MAX solar inverter 6 units three phase in parallel connection

Solar Power Inverter FAQ

  1. What does a solar power inverter do?

    An inverter is one of the most important pieces of equipment in a solar energy system. It’s a device that converts direct current (DC) electricity, which is what a solar panel generates, to alternating current (AC) electricity, which the electrical grid uses.

  2. What size inverter do I need for solar panels?

    As a general rule of thumb, you’ll want to match your solar panel wattage. So if you have a 5000 watt solar panel system, you’ll need at least a 5000 watt inverter.

  3. Does solar inverter need battery?

    Off-grid systems require an extra charge controller component to send the solar power to a battery bank before the inverter converts the DC to AC. Standalone solar inverters always need a battery bank to function.


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Model GMS MAX 7200
PHASE 1-phase in/1-phase out
Dimension DxWxH (mm) 147.4×432.5×553.6
Net Weight (kgs) 18.4
Voltage 220VAC/ 230VAC
Selectable Voltage Range 170-280 VAC (For Personal Computers)
90-280 VAC (For Home Appliances)
Frequency Range 50 Hz/60 Hz (Auto sensing)
AC Voltage Regulation
(Batt. Mode)
220VAC / 230VAC ± 5%
Surge Power 15000VA
Efficiency (Peak) 93%
Transfer Time 15 ms (For Personal Computers); 20 ms (For Home Appliances)
Waveform Pure sine wave
Battery Voltage 48 VDC
Floating Charge Voltage 54 VDC
Overcharge Protection 66 VDC
Maximum PV Array Power 8000W(2*4000W)
MPPT Range @ Operating Voltage 90VDC ~ 450VDC
Maximum PV Array Open Circuit Voltage 500VDC
Maximum Solar Charge Current 80A
Maximum AC Charge Current 80A
Maximum Charge Current 80A
Communication Interface USB/RS232/RS485/WiFi/Dry contact
Humidity 5% to 95% Relative Humidity(Non-condensing)
Operating Temperature -10°C to 50°C
Storage Temperature -15°C to 60°C

* Product specifications are subject to change without further notice.