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MultiPlus-II 48/3000 35-50 120V
The MultiPlus-II is a multifunctional inverter/charger with all the features of the MultiPlus, plus an external current sensor option, which extends the PowerControl and PowerAssist functions to 100A.
PowerControl & PowerAssist - Boosting the Capacity of the Grid or a Generator
A maximum grid or generator current can be set. The MultiPlus-II will then take into account other AC loads and use whatever is extra for battery charging, thus preventing the generator or grid from being overloaded (PowerControl function).
PowerAssist takes the principle of PowerControl to a further dimension. Where peak power is so often required only for a limited period, the MultiPlus-II will compensate for insufficient generator, shore, or grid power with power from the battery. When the load reduces, the spare power is used to recharge the battery.
Solar Energy: AC Power Available Even During a Grid Failure
The MultiPlus-II can be used in off-grid as well as grid-connected PV and other alternative energy systems. It is compatible with both solar charger controllers and grid-tie inverters.
Two AC Outputs
The main output has no break functionality. The MultiPlus-II takes over the supply to the connected loads in the event of a grid failure or when shore/generator power is disconnected. This happens so fast (less than 20 milliseconds) that computers and other electronic equipment will continue to operate without disruption.
The second output is live only when AC is available on the input of the MultiPlus-II. Loads that should not discharge the battery, like a water heater, for example, can be connected to this output.
Virtually Unlimited Power Thanks to Parallel, Split Phase, and Three Phase Operation
Up to 6 Multis can operate in parallel to achieve higher power output. Six 48/3000/35 units, for example, will provide 15 kW / 18 kVA output power with 210 Amps charging capacity.
In addition to parallel connection, two units of the same model can be connected for a 240V split-phase output, and three units of the same model can be configured for three-phase output. But that’s not all: up to 6 sets of three units can be connected in parallel per phase.
On-Site System Configuring, Monitoring, and Control
Settings can be changed in a matter of minutes with VEConfigure software (computer or laptop and MK3-USB interface needed).
Several monitoring and control options are available: Color Control GX, Venus GX, Octo GX, CANvu GX, laptop, computer, Bluetooth (with the optional VE.Bus Smart dongle), Battery Monitor, Digital Multi Control Panel.
Remote Configuring and Monitoring
Install a Color Control GX or other GX product to connect to the internet. Operational data can be stored and displayed on our VRM (Victron Remote Management) website, free of charge. When connected to the internet, systems can be accessed remotely, and settings can be changed.
Specifications:
Inverter Specifications:
Charger Specifications:
AC Input: Input Voltage Range 90-140 VAC / Input Frequency: 45 – 65 Hz
Charge Voltage 'Absorption': 57,6 V
Charge Voltage 'Float': 55,2 V
Storage Mode: 52,8 V
Maximum Battery Charge Current: 35 A
Battery Temperature Sensor: Yes
General Specifications:
Enclosure Specifications:
Standards:
*Note: For a short period of time this product was called MultiGrid-II
Please contact your dealer for any returns, repairs or support issues related to this product.Find quick answers to common questions
Yes — we are an authorized US dealer for 300+ marine electronics brands. Every order ships with the manufacturer’s full warranty.
Yes. Our products are designed for both seasoned boaters and first-time owners. Each unit ships with a manufacturer manual, and we’re happy to answer setup questions over email.
Yes. Marine electronics are engineered for saltwater spray, vibration, and weather. Check the product specs for IPX waterproof rating and saltwater certifications.
Rinse with fresh water after saltwater exposure, store in a dry place, and follow your manufacturer’s cleaning and storage instructions.
Yes — we carry replacement parts, mounts, transducers, cables, and accessories for the brands we stock.
Every product ships with the original manufacturer’s manual. Digital copies and detailed installation guides are typically available on the brand’s website.
Yes — every order includes the full manufacturer warranty. Coverage length varies by brand (typically 1–3 years for Garmin, Lowrance, Raymarine, Simrad, Humminbird, Furuno, and others).
Register directly with the manufacturer using your unit’s serial number. Manufacturer registration is the fastest path to warranty support if you ever need it.
Defects in materials and workmanship under normal use. Damage from impact, improper installation, or saltwater corrosion (without protection) may be excluded. Check brand-specific terms in your unit’s documentation.
Some manufacturers offer extended-coverage programs through their registration portals. We don’t sell third-party warranty programs.
Orders placed before 4pm EST Monday–Friday ship the same business day via UPS from our NJ or FL warehouses. Continental US delivery typically takes 3–7 business days for Economy.
Yes — we offer volume pricing for fleet operators, marinas, dealers, and commercial customers. Email support@marineelectronicsdepot.com with your needs.
Email support@marineelectronicsdepot.com or call during business hours (Mon–Fri 9am–5pm ET). We’re happy to help with pre-purchase questions, order status, or post-sale support.
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