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Victron MultiPlus-II 12/3000/120-50 2x120V (UL 458) Inverter Charger – 3000W Split-Phase Pure Sine Wave Inverter
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Victron MultiPlus-II 12/3000/120-50 2x120V (UL 458) Inverter Charger – 3000W Split-Phase Pure Sine Wave Inverter
sku: PMP122305102
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1,088
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Standard delivery time is 1-5 business days within USA (excluding Alaska and Hawaii). We ship our batteries from Atlanta, GA.
Description
3000W Pure Sine Wave Inverter – Provides clean, reliable AC power for sensitive electronics and appliances
2x120V Split-Phase Output – Supports split-phase applications for advanced RV and off-grid power systems
Integrated 120A Battery Charger – Rapidly charges 12V battery banks from shore or generator power
UL 458 Certified – Approved for RV and mobile installations, ensuring safety and compliance
PowerAssist Technology – Prevents shore or generator overload by supplementing power with battery energy
Seamless UPS Transfer Switching – Automatically switches to inverter power during outages in milliseconds
Wide Battery Compatibility – Works with lithium (LiFePO4), AGM, gel, and lead-acid battery systems
Parallel & Expandable Design – Configure multiple units for increased output and advanced energy setups
Remote Monitoring & Control – Compatible with VictronConnect and GX devices for full system visibility
Built for RV & Off-Grid Systems – Ideal for motorhomes, mobile power systems, cabins, and backup energy applications
⚡ 2x120V vs Standard 120V – What’s the Difference?
Choosing between a standard 120V inverter charger and a 2x120V split-phase inverter charger depends on your power needs and system design.
🔌 Standard 120V Inverter Chargers
A standard 120V inverter provides a single 120V AC output, making it ideal for most common applications including
RVs and camper vans
Small off-grid cabins
Marine systems
Basic backup power setups
These systems efficiently power everyday appliances such as
Microwaves
TVs
Refrigerators
Battery chargers
Small air conditioners
Standard 120V systems are simpler to install and are typically best for moderate power demands.
⚡ 2x120V Split-Phase Inverter Chargers
A 2x120V inverter charger provides two separate 120V lines that can support split-phase applications and improved load balancing.
Benefits include
Better distribution of large electrical loads
Support for larger RV and off-grid systems
Compatibility with more advanced AC panel configurations
Increased flexibility for powering multiple high-demand appliances simultaneously
2x120V systems are commonly used in
Luxury RVs and motorhomes
Larger off-grid homes
Mobile command vehicles
Advanced marine installations
| System Type | Recommended Option |
| ------------------------- | ------------------ |
| Small RV / Van | Standard 120V |
| Basic Off-Grid Cabin | Standard 120V |
| Large RV / Coach | 2x120V |
| Advanced Off-Grid System | 2x120V |
| Multiple Air Conditioners | 2x120V |
| High Power Loads | 2x120V |
Have a question?
Talk with a technical expert.
Call us
Downloadable Resources
Data Sheet
User Manual
Specification Sheet
Dimensional drawing
UL Certificate of Compliance
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