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Low Frequency Off Grid Solar Inverter

PV3000 LMPK Series (1-4KW)


  • Nominal output voltage RMS: 100V/110V/120V AC (±10% RMS)
  • Rated power 1KW to 4KW
  • Pure sine wave output
  • Powerful charge rate up to 70Amp
  • Built-in MPPT solar charge controller 40A
  • MPPT efficiency max 98%
  • Built-in pure copper UI transformer
  • DIP Switch offer customized performance
  • High Efficiency Design & “Power Saving Mode” to Conserve Energy
  • Supporting RS232 communication, AGS, BTS port
  • Remote control panel (optional)
  • Compatible to generator

Where to Buy?



Home Solar Power Inverter

1-4KW Off grid solar inverter for Home Power System.


MPPT Solar Charge Controller

Inbuilt with 40A,45A,60A MPPT solar charge controller.


Pure Sine Wave

Pure sine wave output.


LCD/LED Display Information

1. AC Charge normal
2. AC power normal
3. Inverter normal
4. Check inverter
5. Charge current adjustable:25%,50%,75%,100%. (Optional)
6. PV voltage normal
7. Battery voltage normal
8. PV Charge normal
9. Battery type selector
10. LCD display

11. Switch Power saver auto: Power on with saver mode(power saver ≤ 25W)
Unit Off: Power totally off(If there is AC power,inverter have charger function)
Power saver off: Power on without saver mode

Figure 1 Back Panel Information

12. Remote port
13. Function Switch(SW1~SW5)
14. BAT “-“
15. FAN
16. BTS
17. AGS
18. RS232 communication port
19. BAT “+”



Figure 2 Back Panel Information

20. AC input/Bypass breaker
21. AC output breaker
22. GND
23. PV input
24. AC input
25. AC output

Solar System Connection

This is a multi-function inverter ,combining functions of inverter and mppt solar charger controller, solar charger and battery charger to offer uninterruptible power support with portable size. The comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and selectable input voltage based on different applications.


MODEL PV30-1012 LMPK PV30-1024 LMPK PV30-1512 LMPK PV30-1524 LMPK PV30-2012 LMPK PV30-2024 LMPK PV30-3012 LMPK PV30-3024 LMPK PV30-3048 LMPK PV30-4024 LMPK PV30-4048 LMPK
Nominal Battery System Voltage 12VDC 24VDC 12VDC 24VDC 12VDC 24VDC 12VDC 24VDC 48VDC 24VDC 48VDC
Reted Power 1.0KW 1.5KW 2KW 3KW 4KW
Surge Rating (20ms) 3.0KW 4.5KW 6.0KW 9.0KW 12KW
Capable Of Starting Electric Motor 1HP 2HP
Waveform Pure sine wave/ same as input (bypass mode)
Nominal Output Voltage RMS 100V/110V/120VAC (±10% RMS)
Output Frequency 50Hz/60Hz±0.3 Hz
Inverter Efficiency(Peak) >88%
Line Mode Efficiency >95%
Power Factor 1.0
Typical Transfer Time 10ms(max)
Voltage 120VAC
Selectable Voltage Range 80~135VAC(For Personal Computers)
Frequency Range 50Hz/60Hz (Auto sensing) 40~80Hz
Minimum Start Voltage 10.0VDC /10.5VDC for12VDC mode (*2 for 24VDC) 20.0VDC~21.0VDC / 40.0VDC~42.0VDC
Low Battery Alarm 10.5VDC±0.3V for12VDC mode (*2 for 24VDC) 21.0VDC+/-0.6V /42.0VDC+/-1.2V
Low Battery Cut off 10.0VDC±0.3V for12VDC mode (*2 for 24VDC) 20.0VDC+/-0.6V /40.0VDC+/-1.2V
High Voltage Alarm 16.0VDC±0.3V for12VDC mode (*2 for 24VDC) 32.0VDC+/-0.6V /64.0VDC+/-1.2V
High Battery Voltage Recover 15.5VDC±0.3V for12VDC mode (*2 for 24VDC) 31.0VDC+/-0.6V / 62.0VDC+/-1.2V
Idle Consumption-Search Mode <25W when power saver on <50W when power saver on
Output Voltage Depends on battery type
Charger AC Input Breaker Rrating 10A 30A 40A
Overcharge Protection S.D. 15.7VDC for 12VDC mode (*2 for 24VDC mode) 31.4VDC/62.8VDC
Maximum Charge Current 35A 20A 45A 25A 65A 35A 75A 45A 30A 65A 35A
Input Voltage Waveform Sine wave (grid or generator)
Nominal Input Frequency 50Hz or 60Hz
Overload Protection (SMPS Load) Circuit breaker
Output Short Circuit Protection Circuit breaker
Bypass Breaker Rating 10A 30A 40A
Max Bypass Current 30Amp 40Amp
Maximum PV Array Power 600W 1200W 600W 1200W 600W 1200W 600W 1200W 1600W 2400W 3200W
Maximum PV Charge Current 40A 45A 60A
DC Voltage 12V/24V atuo work 24V/48V atuo work
MPPT Range @ Operating Voltage 16~100VDC 32~145VDC @ 24V / 64~145VDC @ 48V
Maximum PV Array Open Circuit Voltage 100VDC 145VDC
Maximum Efficiency >98%
Standby Power Consumption 2W
Mounting Wall Mount
Dimensions (W*H*D) 423*247*197mm 597x247x197mm
Net Weight (Solar CHG) kg 18.5 18.4 19.5 19.4 23.5 32.2 28.7 27 23.3 41.3 39.4
Shipping Dimensions(W*H*D) 570*355*300mm 750*335*300mm
Shipping Weight (Solar CHG) kg 21.5 21.4 22.4 22.5 25.8 25.6 31.2 29.6 25.1 44.7 42.8
Operation Temperature Range 0°C to 40°C
Storage Temperature -15°C to 60°C
Audible Noise 60dB MAX
Display LED+LCD
Standard Warranty 1 year

Approximate Back-up Time Table

Power Rate(w) backup time(H) @1*100Ah backup time(H) @2*100Ah backup time(H) @4*100Ah backup time(H) @4*200Ah backup time(H) @8*200Ah
1000 0.4806 1.602 3.50304 7.6896  
2000 0.2136 0.4806 1.602 3.50304 7.6896
3000 0.1068 0.2848 0.8544 2.136 4.8416
4000   0.2136 0.4806 1.602 3.50304




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