PowMr 3KW Off Grid Solar Inverter Charger 24V 80A MPPT Bluetooth with DC-Switch Hybrid Inverter Max PV Input

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Why PowMr?
  • — Fast Delivery
  • — Free Shipping 
  • — 24 months warranty 
  • — Avg. response time 1 Hrs. (Working  Day)
  • PowMr Everywhere 

PowMr UK warehouse,AUS warehouse,USA warehouse,GER warehouse and China warehouse

BrandPowMr Lithium Battery Activation No Lithium Batteries Activation Battery Voltage24V Battery TypeLifepo4 Batteries, Lithium Batteries, Flooded Batteries, Gel Batteries, Lead-acid Batteries, User Mode Load workout with Battery Inverter TypeHigh frequency Inverters PhaseSingle Phase AC output230Vac±5% Rated Load Power3000W Max Panel Input Volt450V-500V PV Terminal Charging Modebuild-in MPPT Solar Charge Controller Max Solar Panel Input Power4000W AC Charging Current40 Amps PV Charging Current100amps AC+PV Charging Current100Amps Wifi/Bluetooth ModuleWifi Module(Optional), Bluetooth Inside WarehouseUSA Warehouse, GER Warehouse


This is a multi-function Pure sine wave inverter charger, combining functions of inverter, solar charger, and battery charger to offer uninterruptible power support in a single package.

Support 48V lead-acid, lithium battery and without battery

(Important NOTE: when inverter work without a battery, LCD will show error bP, this is ok, the inverter will operate normally. Don't worry! )


  • Configurable input voltage ranges for home appliances and personal computers via the LCD control panel
  • Configurable AC/Solar Charger priority/battery charging current based on applications via the LCD control panel
  • Compatible with utility mains or generator power
  • Auto restart while AC is recovering
  • Overload / Over temperature / short circuit protection
  • Smart battery charger design for optimized battery performance
  • Cold start function
  • The removable LCD control module
  • Multiple communication ports for BMS (RS485, CAN-BUS, RS232)
  • Built-in Bluetooth for mobile monitoring (Requires Android App), OTG USB function, dusk filters
  • Configurable AC/PV Output usage timer and prioritization



Charger source priority: To configure charger source priority

If this inverter/charger is working in Line, Standby, or Fault mode, the charger source can be programmed as below:

Solar first:

Solar energy will charge the battery as first priority. The utility will charge the battery only when solar energy is not available.

Solar and Utility (default)

Solar energy and utility will charge batteries at the same time.

Only Solar:

Solar energy will be the only charger source no matter utility is available or not.

If this inverter/charger is working in Battery mode, only solar energy can charge the battery. Solar energy will charge the battery if it's available and sufficient.

(Single phase 220V AC /A Hot Leg, NOT Support 110V !!! )


PowMr off-grid all-in-one solar hybrid inverter can be widely used in DC to AC areas, such as solar AC power system, vehicle system, RV power supply, security monitoring system, emergency lighting system, field power system, household power system, etc.

  • (Single phase 220V AC /A Hot Leg, NOT Support 110V !!! )
  • This PowMr off-grid solar inverter all-in-one does not support parallel operation, and does not support phase separation!

Line Mode Specifications and Inverter Mode Specifications

Input Voltage WaveformSinusoidal (utility or generator)
Nominal Input Voltage230Vac
Low Loss Voltage170Vac± 7V (UPS); 90Vac± 7V (Appliances)
Max AC Input Voltage300Vac
Nominal Input Frequency50Hz / 60Hz (Auto detection)
Output ShortCircuit ProtectionCircuit Breaker
Charging Algorithm3-Step
AC Charging Current (Max)60Amp
Output Voltage WaveformPure Sine Wave
Output Voltage Regulation230Vac± 5>#/td###
Output Frequency50Hz
Surge Capacity2* rated power for 5 seconds

PV (Solar) Charging

Max.PV open circuit voltage500Vdc
Start-up Voltage150Vdc +/- 10Vdc
MPPT voltage150-450Vdc
Max. PV Array Power4000W
Max input current16A
Max Charging Current80Amp (AC charger plus solar charger)
Recommended battery capacity≥ 200Ah
battery cable size2AWG/38mm²
PV/AC input wire diameter12AWG
Weight (kg)9
Humidity5% to 95% Relative Humidity (Non-condensing)
Operating Temperature Range-10°C to 50°C
Size (L*W*D)115 x 300 x 400mm

(Single phase 220V AC /A Hot Leg, NOT Support 110V !!! )


PowMr 230V off-grid hybrid inverter support 48V lead-acid, lithium battery and without batter!

(Important NOTE: when inverter work without a batteryLCD will show error bP, this is ok, the inverter will operate normally. Don't worry! )

Start-up Voltage:150Vdc +/- 10Vdc

The Solar Panels must be connected in series, the max input current is 16A!


  • Shock Hazard: Installation must be performed with care due to high battery voltage in series.
  • Do not place anything between inverter terminals and the ring terminals. Otherwise, overheating may occur.
  • Before making the final DC connection or closing DC breaker/disconnector, be sure that the positive (+) must be connected to positive (+) and negative (-) connected to the negative (-)
  • Before connecting to the AC input power source, please install a separate AC breaker between the inverter and the AC input power source. The recommended spec of AC breaker is 32A for 3KW and 50A for 5KW.
  • >span class="a-list-item">Never install the all-in-one solar charge inverter and lead-acid battery in the same confined space! Also do not install in a confined place where battery gas may collect.
  • Ensure that there is enough air flowing through the heat sink, and space of at least 200m to the left and right air outlets of the inverter shall be left to ensure natural convection heat dissipation.

Table 1 Line Mode Specifications
Input Voltage Waveform Sinusoidal (utility or generator)
Nominal Input Voltage 230Vac
Low Loss Voltage 170Vac±7V (UPS); 90Vac±7V (Appliances)
Low Loss Return Voltage 180Vac±7V (UPS);100Vac±7V (Appliances)
High Loss Voltage 280Vac±7V
High Loss Return Voltage 270Vac±7V
Max AC Input Voltage 300Vac
Nominal Input Frequency 50Hz / 60Hz (Auto detection)
Low Loss Frequency 40±1Hz
Low Loss Return Frequency 42±1Hz
High Loss Frequency 65±1Hz
High Loss Return Frequency 63±1Hz
Output Short Circuit Protection Circuit Breaker
Efficiency (Line Mode) >95% ( Rated R load, battery full charged )
Transfer Time 10ms typical (UPS); 20ms typical (Appliances)
Table 2 Inverter Mode Specifications
Rated Output Power 3KVA/3KW 5KVA/5KW
Output Voltage Waveform Pure Sine Wave
Output Voltage Regulation 230Vac±5%
Output Frequency 50Hz
Peak Efficiency 93%
Overload Protection 5s@≥130% load; 10s@105%~130% load
Surge Capacity 2* rated power for 5 seconds
Nominal DC Input Voltage 24Vdc 48Vdc
Cold Start Voltage 23.0Vdc 46.0Vdc
Low DC Warning Voltage
@ load < 50%23.0Vdc 46.0Vdc
@ load ≥ 50%22.0Vdc 44.0Vdc
Low DC Warning Return Voltage
@ load < 50%23.5Vdc 47.0Vdc
@ load ≥ 50%23.0Vdc 46.0Vdc
Low DC Cut-off Voltage
@ load < 50%21.5Vdc 43.0Vdc
@ load ≥ 50%21.0Vdc 42.0Vdc
High DC Recovery Voltage 32Vdc 62Vdc
High DC Cut-off Voltage 33Vdc 63Vdc
No Load Power Consumption <35W <50W
Table 3 Charge Mode Specifications
Utility Charging Mode
Charging Algorithm 3-Step
AC Charging Current (Max) 60Amp (@VI/P=230Vac)
Bulk Charging Voltage
Flooded Battery 29.2 58.4
AGM / Gel Battery 28.2 56.4
Floating Charging Voltage 27V DC 54V DC
MPPT Solar Charging Mode
Max. PV Array Power 4000W 5000W
Nominal PV Voltage 240V DC 320V DC
Start-up Voltage 150V DC±10V DC
PV Array MPPT Voltage Range 120-450V DC
Max. PV Array Open Circuit Voltage 500V DC
Max Charging Current (AC charger plus solar charger) 80A
Table 4 General Specifications
Operating Temperature Range -10°C to 50°C
Storage temperature -15°C~ 60°C
Humidity 5% to 95% Relative Humidity (Non-condensing)
Dimension (D*W*H), mm 115 x 300 x 400
Net Weight, kg 9 10
Brand information
Brand :
Battery Information for inverters and controllers
Lithium Battery Activation :
  • No Lithium Batteries Activation
Battery Voltage :
  • 24V
Battery Type :
  • Lifepo4 Batteries
  • Lithium Batteries
  • Flooded Batteries
  • Gel Batteries
  • Lead-acid Batteries
  • User Mode
Inverter Information
Inverter Type:
  • High frequency Inverters
Load workout with Battery:
Parallel Function:
  • Single Phase
Split Phase:
AC output:
  • 230Vac±5%
Rated Load Power:
  • 3000W
Solar Panel Information for inverters
Max Panel Input Volt :
  • 450V-500V
PV Terminal Charging Mode:
  • build-in MPPT Solar Charge Controller
Max Solar Panel Input Power:
  • 4000W
Charging Current Information for inverters
AC Charging Current:
  • 40 Amps
PV Charging Current:
  • 100amps
AC+PV Charging Current:
  • 100Amps
Accessories information for inverters
Wifi/Bluetooth Module:
  • Wifi Module(Optional)
  • Bluetooth Inside
Other Information
  • GER Warehouse
  • USA Warehouse
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4.7 out of 5
Reviews: 3
5 stars
4 stars
3 stars
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1 star
Charles Burdette
United States
Good afternoon. Arrived well and secure packaging.
Nicholas Martin
Verified purchase
United States
Customer service reached out to me and after troubleshooting with no success they sent me a new unit. I’ve had it installed and using it daily for about 4 months. I’m very pleased and impressed with the unit now.
Verified purchase
Inselwechselrichter mit 3 Energiequellen
Unter starker Last geben die eingebauten Lüfter ein lautes rauschen von sich.
Der Umrichter kam sicher verpackt sehr schnell bei mir an. Trotz des hohen Gewichts war die Verpackung nicht beschädigt. Mittlerweile habe ich das Gerät installiert und in Betrieb genommen. Die mitgelieferte Software lässt sich leider nicht auf meinen Mackbook Pro installieren. Auf einen Rechner mit Windows 10 läuft sie problemlos. Die zugesicherte Leistung wird auch zur Verfügung gestellt. Die Umschaltzeit von Netz auf Batterie kann sich sehen lassen. Da gibt es keine Unterbrechung so das die USV Funktion gewährleistet ist. Meinen Rechner habe ich über USB gekoppelt, das hat problemlos funktioniert. Die Software lässt sich leicht bedienen und ist auch auf deutsch umstellbar. Sie bietet ein breite Spektrum an Überwachung und Protokollierung. Die Kopplung mit dem Handy über Bluetooth ist leider trotz zugesicherter Eigenschaft nicht möglich obwohl das Symbol im Display angezeigt wird. Unter starker Last geben die eingebauten Lüfter ein lautes rauschen von sich. In meinen Fall ist das ohne Bedeutung da das Gerät in der Garage arbeitet und dort eine Holzheizung, Kühlschrank und Gefrierschrank versorgt. Mit der übrigen Energie versorge ich eine Heitzpatrone von 1,45 KW. Mit der angegebenen PV Eingangsspannung von 500 V DC ist es eine gute Alternative eine kleine Solaranlage ohne viel Kabel auf dem Dach zu betreiben.
Abgesehen von dem Mängel ist das Gerät zu empfehlen.


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