Description
Victron MultiPlus 12/3000/120-50 Inverter Charger 3000W 120A 12V PMP122301102
Power that keeps going
Premium All-In-One 12V Inverter Charger for RVs, Vans, Boats & Off-Grid Systems
The Victron Energy MultiPlus 12/3000/120-50 Inverter Charger is a premium all-in-one 12V inverter charger designed for dependable power conversion, battery charging, and seamless AC transfer in RVs, vans, boats, marine systems, cabins, and off-grid power setups.
Combining a 3000W pure-sine-wave power inverter, a 120A battery charger, and an automatic AC transfer switch in one compact unit, the MultiPlus delivers reliable performance for mobile power systems that need efficient charging and a stable AC output. With VE. Bus communication, Power Control, and Power Assist help optimize shore power and generator input, supporting heavy loads as demand increases.
When AC power is interrupted, the unit transfers to inverter mode in less than 20 milliseconds, helping keep connected devices running with near-seamless continuity. Built for serious energy systems, this Victron inverter charger is a trusted solution for van conversion electrical systems, RV electrical upgrades, marine battery banks, off-grid solar systems, backup power applications, and mobile power installations.
| Product | Victron MultiPlus 12/3000/120-50 Inverter Charger |
| Brand | Victron Energy |
| Model | MultiPlus 12/3000/120-50 |
| MPN | PMP122301102 |
| DC System Voltage | 12V |
| Output Power | 3000W |
| Charge Current | 120A |
| AC Input Voltage | 120V |
| AC Output Voltage | 120V |
| Transfer Switch Response | Less than 20 milliseconds |
| Communication | VE.Bus |
| Certifications | UL 458 / UL 1741 |
| Weight | 34 lbs |
| Dimensions | 8.6 x 14.3 x 10.2 in |
| Warranty | 5 Years Manufacturer Warranty |
- All-in-One Power Solution: Combines a 3000W inverter, 120A battery charger, and a fast AC transfer switch in one compact unit.
- 3000W Inverter Output: Delivers dependable, pure AC power for mobile and off-grid energy systems.
- 120A Charging Power: Built-in high-output 12V charger helps keep your battery bank charged and ready.
- Power Control & Power Assist: Helps optimize limited generator or shore power and supports connected loads when demand spikes.
- Fast AC Transfer: Switches to inverter mode in under 20 milliseconds for near-seamless power continuity to sensitive electronics.
- Adaptive Charging Technology: Four-stage adaptive charging improves efficiency and extends battery life.
- VE.Bus Integration: Fully compatible with Victron system components, Cerbo GX, and advanced monitoring controls.
- Expandable Capability: Supports parallel operation and three-phase configurations for large-scale power system designs.
- UL 458 / UL 1741 Certified: Meets rigorous safety and operational standards.
Van Conversions
The ultimate backbone for van life setups, mobile offices, and travel builds that need dependable 12V inverter and charging performance.
RVs & Motorhomes
A powerful solution for onboard RV electrical systems that rely on shore power, generator input, and battery backup.
Boats & Marine
Perfect for marine installations requiring a robust, reliable AC power conversion and battery charging unit in harsh environments.
Off-Grid & Cabins
Great for remote off-grid cabins and solar setups where stable, integrated power management is essential to keep the lights on.
- Designed for 12V DC systems: Confirm your battery bank and wiring are suitable for a 12V inverter/charger installation.
- Match your AC system: This model is specifically configured for 120V AC input and output.
- Plan for charging needs: The built-in 120A charger should be matched appropriately to your battery bank size and chemistry (perfect for large LiFePO4 banks).
- Use proper wiring and protection: High-output 3000W inverter/charger systems require correct heavy-gauge cable sizing, breakers, fusing, and ventilation.
- Power Assist advantage: Highly useful where shore power (like a 15A or 30A pedestal) or generator supply is limited, providing supplemental inverter support.
- Professional installation recommended: Advised for larger RV, van, marine, and off-grid energy systems to ensure safety and compliance.
- Victron Energy MultiPlus 12V/3000W 120A/120V Inverter/Charger (PMP122301102)
- Installation hardware
- User manual
Backed by Victron Energy’s 5-year warranty for peace of mind.
- Fast Shipping: Ships fast from the US — in-stock and ready to ship.
- Authorized Seller: Full 5-year Victron manufacturer warranty honoured.
- Expert Help: Message us with questions about compatibility, installation, and system sizing.
- Real Service: Premium quality gear, fast shipping, and dependable support for your power build.






