Victron MultiPlus-II 12/3000 2x120V
Made for 50 A motorhomes and fifth wheels: one box handles split-phase shore power and 3,000 VA of inverter power on battery.
Amazon DRSA $1,088$1,088
4.3/5
A proven RV and boat inverter-charger with a higher surge rating than the newer MultiPlus 12/2000. Worth it if you start motor loads; otherwise the newer model is cheaper.
- 1,600 WContinuous
- 4,000 WSurge
- 0.8 AIdle draw
- YesUL listed
- 5 yearsWarranty
Check price at AmazonCheck price at DRSA$904.40
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs a microwave or coffee maker on battery
- 4,000 W peak starts air-conditioner and pump motors
- 80 A charger and 50 A transfer switch in one box
- UL 458 certified
Cons
- Draws about 0.75 A idle with search mode off
- Costs a little more than the newer MultiPlus 12/2000 for the same continuous rating
- Bluetooth needs a VE.Bus Smart dongle sold separately
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | CMP122200102 |
|---|---|
| Output | |
| Type | Pure sine wave inverter-charger |
| Continuous power | 1,600 W |
| Surge power | 4,000 W |
| DC input range | 9.5 to 17 V |
| Idle draw | 0.8 A (9 W) |
| Power-saving draw | 0.2 A |
| Peak efficiency | 92% |
| Connections | |
| AC outlets | 0 |
| GFCI outlets | No |
| Hardwire terminal | Yes |
| USB ports | None |
| Transfer switch | Yes |
| Charger | 80 A |
| Lithium charge profile | Yes |
| Parallel units | Yes |
| Control and build | |
| Remote | Optional extra |
| App | Optional add-on |
| Display | No |
| Safety listing | LabTest certified to UL 458 (certificate LC20173-1) |
| Cooling | fan |
| Dimensions | 520 x 255 x 125 mm (20.5 x 10.0 x 5.0 in) |
| Weight | 28.7 lb |
| Warranty | 5 years |
Alternatives in this size
Victron MultiPlus 12/2000 120V
A well-rounded inverter-charger for a mid-size RV, van or boat on 30 A shore power. UL 458 certification and PowerAssist make it an easy choice for a code-compliant install.
Amazon DRSA $861.90$861.90
Victron MultiPlus 12/3000 120V
The long-running workhorse for 12 V RVs and boats that want to cook on battery power. The MultiPlus-II 12/3000 does the same job with lower idle draw for a little less money.
Amazon DRSA $1,168.75$1,168.75
Compare
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