The MultiPlus-II is a multifunctional inverter/charger with two AC outputs, suitable for professional marine, yachting, vehicle, and land-based off-grid systems. It also provides the isolation and redundancy required for Energy Storage System (ESS) setups.
PowerControl allows the MultiPlus-II to prevent grid or generator overload, while PowerAssist boosts AC power during peak demand by drawing from the battery.
Uninterrupted AC power: in the event of an outage, the inverter switches over in milliseconds, keeping computers and sensitive electronics running without interruption.
The battery charger combines speed with efficiency through a smart adaptive algorithm that extends battery life. Ready for expansion, the MultiPlus-II supports parallel and three-phase configurations when a system needs to scale.
Specification

Battery voltage: 12V nominal
Continuous power (25°C): 3,400 W
Continuous power (40°C): 3,100 W, (65°C): 2,600 W
Peak power: 6,000 W
Maximum efficiency: 93%
Maximum battery charge current: 160A, adaptive 4-stage charge algorithm, plus 4A starter battery charge output
Charge voltages: absorption 14.4V, float 13.8V, storage 13.2V
AC transfer switch rating: 32A, max AC input current 32A
DC input voltage range: 9.5-17V
AC output: 230V, 50Hz
AC input voltage range: 187-265V, frequency range 45-65Hz
Zero load power: 18W (11W AES, 4W in Search Mode)
Communication port: VE.Bus
External AC current sensor option: 50A or 100A
Protections: output short-circuit, overload, high/low battery voltage, over temperature, AC voltage on inverter output, excessive DC ripple
Operating temperature: -40°C to 65°C, fan-assisted cooling
Protection category: IP21
Dimensions: 576 x 276 x 164 mm
Weight: 22 kg
Material: steel, blue (RAL 5012)
Compliance: EN-IEC 60335-1, EN-IEC 60335-2-29, EN-IEC 62109-1, EN-IEC 62109-2
Warranty: 5 years standard (extendable to 10 years); lead-acid batteries 2 years, lithium batteries 3 years

Recommended DC fuse: 600A. Use two 70mm² cables each way (positive and negative) for runs up to 5m, or two 95mm² cables each way for 5-10m; battery connection is via M8 bolts.