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W9  2KW 3KW Off Grid Inverter 12V 24V 48V
Xindun off grid inverter can be used in household appliances and other loads with total power not exceeding 2kw or 3kw.

W9 Off Grid Inverter 2KW 3KW

Chinese supplier Xindun power sells 2kw 3kw 12v 24v 48v off grid inverter at a low price.

  • Rated Power :

    2KW 3KW

  • DC Input Voltage :

    10.5-15VDC(Single battery voltage)

  • AC Input Voltage :

    85VAC~138VAC / 170VAC~275VAC

  • Output Voltage :

    110VAC±2% / 220VAC±2%

  • Output Frequency :


  • Output Wave :

    Pure sine wave

Off Grid Inverter Feature

◆  Pure sine wave output;

◇  AC charge current 0-30A adjustable;

◆  Air-cooled type radiator, great energy-saving effect;

◇  Strong loading capacity; Peak power more than 3 times;

◆  Working modes: AC first, battery first, energy-saving;

◇  RS232 communication port optional.

Off Grid Inverter Parameters

Model W9 20212/24/48 30224/48
Rated Power 2000W 3000W
Peak Power(20ms) 6000W 9000W
Start Motor 2HP 3HP
Battery Voltage 12/24V/48VDC 24/48VDC
Size(L*W*Hmm) 530*245*215
Packing Size(L*W*Hmm) 590*300*270
N.W.(kg) 24 28
G.W.(kg)(Carton Packing) 27 31
Installation Method Wall-Mounted
Input DC Input Voltage Range 10.5-15VDC(Single battery voltage)
AC Input Voltage Range 85VAC~138VAC / 170VAC~275VAC
AC Input Frequency Range 45Hz~65Hz
Max AC charging current 30A/25A/15A 30A/20A
AC charging method Three-stage (constant current, constant voltage, floating charge)
Output Efficiency(Battery Mode) ≥85%
Output Voltage(Battery Mode) 110VAC±2%/ 220VAC±2% 
Output Frequency(Battery Mode) 50/60Hz±1%
Output Wave(Battery Mode) Pure Sine Wave
Efficiency(AC Mode) >99%
Output Voltage(AC Mode) 110VAC±10% / 115VAC±10% / 120VAC±10% / 220VAC±10% / 230VAC±10% / 240VAC±10% 
Output Frequency(AC Mode) Tracking Automatically
Output waveform distortion
(Battery Mode)
≤3%(Linear load)
No load loss(Battery Mode) ≤2.5% rated power
No load loss(AC Mode) ≤2% rated power( charger does not work in AC mode)
No load loss(Energy saving Mode) ≤10W
Protection Battery undervoltage alarm 11V(Single battery voltage)
Battery undervoltage protection 10.5V(Single battery voltage)
Battery overvoltage alarm 15V(Single battery voltage)
Battery overvoltage protection 17V(Single battery voltage)
Battery overvoltage recovery voltage 14.5V(Single battery voltage)
Overload power protection Automatic protection (battery mode), circuit breaker or insurance (AC mode)
Output short circuit protection Automatic protection (battery mode), circuit breaker or insurance (AC mode)
Temperature protection >90°C(Shut down output)
Alarm A Normal working condition, buzzer has no alarm sound
B Buzzer sounds 4 times per second when battery failure, voltage abnormality, overload protection
C When the machine is turned on for the first time, the buzzer will prompt 5 when the machine is normal.
Battery type
U0: Gel U.S.A Charge Voltage:14V;Float Voltage:13.7V(Single battery voltage)
U1: A.G.M.1 Charge Voltage:14.1V;Float Voltage:13.4V(Single battery voltage)
U2:  A.G.M.2 Charge Voltage:14.6V;Float Voltage:13.7V(Single battery voltage)
U3: Sealed lead Acid Charge Voltage:14.4V;Float Voltage:13.6V(Single battery voltage)
U4: Gel European Charge Voltage:14.4V;Float Voltage:13.8V(Single battery voltage)
U5: Open lead Acid Charge Voltage:14.8V;Float Voltage:13.5V(Single battery voltage)
U6: Calcuim(open) Charge Voltage:15.1V;Float Voltage:13.6V(Single battery voltage)
U7: Sulphation cycle 15.5V for 4hrs 
customize battery
Charge and discharge parameters of different types of batteries (such as lithium batteries, etc.) 
can be customized according to user requirements.
Working Mode Battery First/AC First/Saving Energy Mode
Transfer Time ≤4ms
Display LCD
Thermal method Cooling fan in intelligent control
Communication RS232(Optional)
Environment Operating temperature -10℃~40℃
Storage temperature -15℃~60℃
Noise ≤55dB
Elevation 2000m(More than derating)
Humidity 0%~95% ,No condensation
Warranty 1 year
Note: All specifications are subject to change without prior notice

How does Off Grid inverter work?

1. Home backup system:

When AC grid power is available, inverter charges battery, at the same time, AC grid power bypass through inverter to household appliances, such as refrigerator, TV. When AC grid power is off, it will automatic transfer switch to battery power and convert DC to AC power.

2. Wind or Solar Power system:
Convert DC to AC power. When battery power is lacking, it will automatic transfer to grid power for powering continuously.
w9 inverter 1.5kw-8

Off Grid Inverter Workshop


Off Grid Inverter Application

案例6 - 副本

Why Choose US?

1. We are a professional manufacturer of power inverter and controller with over 10 years experience. Best productioncapability, best quality control, best service.

2. 100% QC inspection and testing before shipment.

3. CE listed, competitive price.

4. 11 years of high-level OEM experience

5. 16,000 square meters factory size (Sq.meters)

5. 200,000pcs monthly capacity

7. Export percentage: 80%

8. Hi-tech advanced R&D team.

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