Victron MultiPlus-II 12/3000 120V
The default 3,000 VA inverter-charger for a 12 V RV or boat on 30 A shore power. It costs less and idles lower than the original MultiPlus 12/3000.
Amazon DRSA $1,006.40$1,006.40
The Victron MultiPlus-II 12/3000 120V is the better 12V inverter overall, rated 4.5 to 4.4. The Victron MultiPlus-II 12/3000 120V costs $81.60 less ($1,006.40 vs $1,088).
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
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every inverter-chargers 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron MultiPlus-II 12/3000 120V | Victron MultiPlus-II 12/3000 2x120V |
|---|---|---|
| Overall rating | 4.5/5 | 4.4/5 |
| Value 30% | 77 $0.42 per continuous watt | 73 $0.45 per continuous watt |
| Idle draw 15% | 90 1.1 A idle (about 13 W) with nothing plugged in | 83 1.2 A idle (about 15 W) with nothing plugged in |
| Safety listing 15% | 100 LabTest certified to UL 458 (certificate LC20469-3) | 100 LabTest certified to UL 458 (certificate LC20759-1) |
| Warranty 15% | 100 5-year warranty | 100 5-year warranty |
| Features 15% | 65 optional remote, app add-on, lithium charge profile, hardwire terminal | 65 optional remote, app add-on, lithium charge profile, hardwire terminal |
| Efficiency 10% | 89 93% peak efficiency (maker rating) | 89 93% peak efficiency (maker rating) |
Specifications
| Victron MultiPlus-II 12/3000 120V | Victron MultiPlus-II 12/3000 2x120V | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| Continuous power | 2,400 W | 2,400 W |
| Surge power | 5,500 W | 5,500 W |
| DC input range | 9.5 to 17 V | 9.5 to 17 V |
| Idle draw | 1.1 A (13 W) | 1.2 A (15 W) |
| Power-saving draw | 0.2 A | 0.3 A |
| Peak efficiency | 93% | 93% |
| Connections | ||
| AC outlets | 0 | 0 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | Yes |
| USB ports | None | None |
| Transfer switch | Yes | Yes |
| Charger | 120 A | 120 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | Yes | Yes |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | Optional add-on | Optional add-on |
| Display | No | No |
| Safety listing | LabTest certified to UL 458 (certificate LC20469-3) | LabTest certified to UL 458 (certificate LC20759-1) |
| Cooling | fan | fan |
| Dimensions | 578 x 277 x 148 mm (22.8 x 10.9 x 5.8 in) | 578 x 275 x 148 mm (23 x 11 x 6 in) |
| Weight | 42 lb | 48 lb |
| Warranty | 5 years | 5 years |