3 kwatt Inverter

This inverter inverts battery DC power to AC power. It also can charge the battery from generator / grid power.

It supplies stable pure sine wave AC power with 3x surge power. Certified to UL and CSA standards.

Inverter 3kw
Inverter 3kw front view
Front view
Inverter 3kw back view
Back view


  • High surge power up to 300% rated power (20 sec).
  • Battery low voltage cutoff 10.5V/11.0V for battery protection.
  • With power saver mode operation to reduce idle power consumption <25W.
  • The automatic voltage regulator (AVR) stabilize AC output voltage to within 10%.
  • 10ms automatic transfer time between battery and AC.
  • Built-in AC output receptacle for quick appliance connection

Technical Specs

Inverter Output
Attributes Values
Continuous Output Power 3000W
Surge Rating (20s) 9000W
Output Waveform Pure Sine wave/Same as input(Bypass mode)
Nominal Efficiency >88% (Peak)
Line Mode Efficiency >95%
Power Factor 0.9-1.0
Nominal Output Voltage rms 100-110-120Vac
Output Voltage Regulation ±10% RMS
Output Frequency 50Hz ± 0.3Hz/60Hz ± 0.3Hz
Short Circuit Protection Yes (10s after fault)
Typical transfer Time 10ms (Max)
THD < 10%
DC Input
Attributes Values
Nominal Input Voltage 12.0Vdc
Minimum Start Voltage 10.0Vdc
Low Battery Alarm 10.5Vdc / 11.0Vdc
Low Battery Trip 10.0Vdc / 10.5Vdc
High Voltage Alarm 16.0Vdc
Low Battery voltage recover 15.5Vdc
Idle Consumption-Search Mode < 25 W when Power Saver On
Attributes Values
Output Voltage Depends on battery type
Charger Breaker Rating 10A
Max Charge Rate 35A / 70A
Battery Initial Voltage for Start Up 10-15.7V for 12V( *2 for 24V, *4 for 48V)
Over Charge Protection Shutdown 15.7V for 12V (*2 for 24V, *4 for 48V)
Charger curve(4 stage constant current) Battery types ( *2 for 24Vdc, *4 for 48Vdc)
4 step digital controlled progressive charge Battery types ( *2 for 24Vdc, *4 for 48Vdc)
Remote Control Yes. Optional
Bypass & Protection
Attribute Values
Input Voltage Waveform Sine wave (Grid or Generator)
Nominal Voltage 110Vac
Max Input AC Voltage 150VAC
Nominal Input Frequency 50Hz or 60Hz (Auto detect)
Low Freq Trip 47±0.3Hz for 50Hz, 57±0.3Hz for 60Hz
High Freq Trip 55±0.3Hz for 50Hz, 65±0.3Hz for 60Hz
Overload protection(SMPS load) Circuit breaker
Output Short circuit protection Circuit breaker
Bypass breaker rating 10A
Transfer switch rating 30amp
Bypass without battery connected Yes
Max bypass current 30amp
Bypass over load current 35amp: Alarm
AVR Function
Attributes Values
Input AC Voltage Range 90-140V±4%
Stabilized Output Voltage rms 120VAC±10% rms
Nominal Voltage 110Vac
(A) Line Low loss N/W (On Battery) 84/72
(B) Line Low comeback N/W (On Boost) 89/77
(C) Line 2nd boost threshold (On Boost) **
(D) Line 2nd boost comeback (On Boost) **
(E) Line 1st boost threshold (On Boost) 99
(F) Line 1st boost comeback (On Normal) 103
(G) Line buck comeback (On Normal) 118
(H) Line buck threshold (On Buck) 121
(I) Line high comeback (On Buck) 127
(J) Line high loss (On Battery) 132
Mechanical specs
Attributes Values
Mounting Wall mount
Inverter Dimensions(L*W*H) 382*218*179mm
Inverter Weight 18KG
Shipping Dimensions(L*W*H) 520*315*300mm
Shipping Weight 20KG
Display Status LEDs / Status LEDs+LCD
Standard Warranty 1 Year