3KW pure sine wave power inverter charger 12V 24V 48V

3KW pure sine wave inverter with AC charger and AC auto transfer system. DC input: 12V, 24V, 48V AC output: 110V, 120V, 220V, 240V single phase, Application: home backup system, 3KW off-grid solar power system, RV, telecom power

* 2000W low-frequency power inverter 12V/24V/48VDC 

* pure sine wave output

* Single phase 110V, 120V, 220V, 240V AC output

* AC mains priority/DC priority modes optional

* built-in AC bypass replay, UPS function

* multi-stage smart charger 30A charges gel, AGM, lithium battery

* 4msec typical transfer time

*LCD display working data: AC input AC output, DC input, battery, load, charger current, battery 



Q1: Can I have a sample/trial order for a test?

A: Yes, we accept sample order/trial order for you testing by 1 product or mixed solar products.


Q2: When will you deliver the goods?

A: 3-5 working days for sample order; 7-15 working days for quantity order after receiving the deposit payment.


Q3: Do you offer a guarantee for your solar products?

A: Yes, 18 months for inverter and inverter related products including solar generator, solar inverter. 2 years for solar lights.


Q4: Can you do OEM/ODM?

A: Yes, we accept OEM/ODM orders for inverter, solar inverter, MPPT solar controllers, solar generator and solar lights.

Please send you detailed request to our sales specialist for best quote.


Model WI-3000W/12 WI-3000W/24 WI-3000W/48
Rated power 3KW 3KW 3KW
Peak power 9KW
Nominal battery voltage 12DC 24VDC 48VDC
Input DC input range 10.5V-16VDC 21V-32VDC  42V-64VDC
AC Mains input range 165-265VAC(220VAC) ±3%; 75-125VAC(110VAC)±3%
AC input frequency 50Hz: 45-65Hz/60Hz: 55-65Hz±0.5Hz(50Hz/60Hz automatic recognition)
Protection Low battery alarm 10.3VDC 20.6VDC  41.2VDC
Low battery protection ≤10VDC  ≤20VDC ≤40VDC
High battery alarm >16VDC 32VDC >64VDC
High battery protection >16.5VDC >33VDC >66VDC
Overload protection >120%, shutdown after 10 seconds
High temperature Built-in temperature real time sensor, >85°C alarm, >90°C automatic shutdown
Short circuit protection Automatic shutdown
Output efficiency >90%
Output voltage (DC battery mode)220VAC±5%, 110VAC±5%
Output frequency (DC battery mode)60/50Hz± 1%
Output wave form Pure sine wave
Output voltage (AC mains mode) 220/230/240VAC± 5% output
AC mains output AC mains > 170VAC±5% switch to DC battery mode, AC mains > 180VAC±5% return to AC mains mode;
AC mains > 275VAC±5% switch to DC battery mode, AC mains > 255VAC±5% return to AC mains mode;
The above is for 220V output for reference
Output frequency (AC mains mode)automatic tracing from AC input
Other Transfer time Built-in AC bypass replay  (4ms)
Display LCD Display with function buttons
Cooling system Intelligent cooling fan control system <42°C slow fan, >45°C fast fan
AC Charger battery types mode Gel, AGM, Li-ion, LiFePo4 battery, customized
AC charging voltage 14V-16VDC 28V-32VDC 56V-64VDC
AC charging current 0-30A:5A/10A/20A/30A  4 stages charging current adjustable
3 Stages charging Boost charging, direct charging, float charging
AC over charge protection   ≥16.5VDC ≥33VDC ≥66VDC
Communication RS-232/USB/SNMP(additional)
Environment Temperature -10~+40°C
Humidity <95%
Appearance Product size 450*270*180mm(L*W*H)
Packing size 490*285*220mm
Net weight 21 kg
Gross weight 28 kg

Applications for 3KW power inverter/charger:

  1. Renewable power system such as solar power system, wind power system
  2. UPS Uninterruptible power supplies, power backup system
  3. transportation: vehicles, RV(recreational vehicle), boat, yacht
  4. emergency vehicles: fire trucks, rescue vehicles, ambulances
  5. power tools 
  6. farms, villa, office, home etc.