Skip to Content

Victron MultiPlus-II 12/4000/160-50, 2x120V

The Victron MultiPlus-II 12/4000/160-50 is an inverter/charger. It puts out 3,400 W of clean AC power and charges the battery at up to 160 A. When shore or generator power runs short, PowerAssist adds battery power to help. This model is made for split phase 120/240 V systems.
Nov 2026 Coupon: Victron & Webasto Parts
$ 1,309.50 $ 1,540.59

At a glance

Highlights

  • True sine wave inverter, battery charger and AC transfer switch in one unit
  • PowerAssist adds battery power when AC power is limited
  • Connects to a Cerbo GX for monitoring and control over VE.Bus
  • Single unit only

Key specs

  • DC Input voltage range: 9.5 to 17 VDC
  • Maximum charge current (up to 25 C ambient): 160 A
  • Peak power rating: 6,000 W
  • Maximum efficiency: 93 %
  • Operating temperature range (fan assisted cooling): -40 to 65 C
SpecificationValue
Fan assisted coolingYes
Remote terminalOn / Off
DC Input voltage range9.5 to 17 VDC
Transfer switch AC current rating50 A
Zero load power in search mode4 W
PowerControlYes
Programmable relayAC rating: 120V / 4A, DC rating: 4A up to 35VDC and 1A up to 60VDC
PowerAssistYes
Three phase operationNo
Peak power rating6,000 W
Zero Load Power18 W
Parallel operationNo
Operating temperature range (fan assisted cooling)-40 to 65 C
Temperature SensorIncluded
Zero load power in AES mode11 W
ProtectionsOutput short-circuit,Overload,High battery voltage,Low battery voltage,Over temperature,AC voltage on inverter output,Excessive DC ripple
Number of AC Inputs1
Maximum charge current (up to 25 C ambient)160 A
Maximum humidity (non-condensing)95 %
Maximum efficiency93 %
Maximum AC input current on each leg50 A
AC input frequency range45 to 65 Hz
AC Input voltage range single phase90 to 140 VAC
AC Input voltage range split phase180 to 280 VAC
AC output frequency +/-0.1% (adjustable)60 Hz
AC output voltage +/-2% (adjustable)120 VAC
Auxiliary AC output each legYes
Nominal battery voltage12 V
Charge algorithmAdaptive, 4-stage
Charge voltage absorption (adjustable)14.4 VDC
Charge voltage float (adjustable)13.8 VDC
Charge voltage storage (adjustable)13.2 VDC
Communication PortVE.Bus
General purpose communication portYes
Programming via computer or appYes
Continuous inverter AC output power at 25 C3,400 W
Continuous inverter AC output power at 40 C3,100 W
Continuous inverter AC output power at 65 C2,400 W
Battery connection terminal typeM8 bolts (two for positive and two for negative connection)
VE.bus communication portTwo RJ45 terminals
AC connection terminal typeScrew terminals 21 mm2 (4 AWG)
Remote terminal typeScrew terminal two pole
Relay terminal typeScrew terminal 3-pole
Weight25 kg
Width275 mm
  • MultiPlus-II 12/4000/160-50
  • Temperature sensor

Battery cables, fuses and a GX device are sold separately.

Use thick battery cables and a fuse close to the battery. Set the AC input limit and charge settings with VictronConnect or VEConfigure.

We install Victron systems at our shops in Salt Lake City, Utah and Fort Collins, Colorado. See our installation page or send us an inquiry.

5 year warranty. Read Victron's warranty terms.

Ships in 1 to 5 business days.