Victron MultiPlus 12/1200 120V
A compact all-in-one for small RVs and boats that want a coffee maker on battery and fast charging on shore power. Larger rigs on 30 A service should look at the 2000 VA models.
Amazon DRSA $487.05$487.05
The Victron MultiPlus 12/1200 120V is the better 12V inverter overall, rated 3.9 to 3.1. The Victron MultiPlus 12/1200 120V leads on value, warranty and efficiency. The Magnum Energy MMS1012 wins on safety listing. The Victron MultiPlus 12/1200 120V costs $704.95 less ($487.05 vs $1,192).
Magnum Energy MMS1012
#37 in Inverter-chargersFull review
For smaller RVs and trucks that want a rugged, listed 1,000 W inverter-charger and don’t mind paying for it.
Amazon $1,192$1,192
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.
Which should you buy?
- Choose the Victron MultiPlus 12/1200 120V for value ($0.49 per continuous watt vs $1.19 per continuous watt), warranty (5-year warranty vs 3-year warranty) and efficiency (93% peak efficiency (maker rating) vs 87% peak efficiency (maker rating)).
- Choose the Magnum Energy MMS1012 for safety listing (ETL listed to UL 458 & UL 1741, CSA C22.2 #107.1; meets KKK-A-1822E vs no UL 458 or UL 1741 listing stated).
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 12/1200 120V | Magnum Energy MMS1012 |
|---|---|---|
| Overall rating | 3.9/5 | 3.1/5 |
| Value 30% | 68 $0.49 per continuous watt | 0 $1.19 per continuous watt |
| Idle draw 15% | 90 1.1 A idle (about 13 W) with nothing plugged in | 70 1.6 A idle (about 19 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 ETL listed to UL 458 & UL 1741, CSA C22.2 #107.1; meets KKK-A-1822E |
| Warranty 15% | 100 5-year warranty | 50 3-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) | 22 87% peak efficiency (maker rating) |
Specifications
| Victron MultiPlus 12/1200 120V | Magnum Energy MMS1012 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| Continuous power | 1,000 W | 1,000 W |
| Surge power | 2,400 W | 1,750 W for 5 s |
| DC input range | 9.5 to 17 V | 9 to 17 V |
| Idle draw | 1.1 A (13 W) | 1.6 A (19 W) |
| Power-saving draw | 0.3 A | 0.4 A |
| Peak efficiency | 93% | 87% |
| Connections | ||
| AC outlets | 0 | 0 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | Yes |
| USB ports | None | None |
| Transfer switch | Yes | Yes |
| Charger | 50 A | 50 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | Yes | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | Optional add-on | Optional add-on |
| Display | No | No |
| Safety listing | No | ETL listed to UL 458 & UL 1741, CSA C22.2 #107.1; meets KKK-A-1822E |
| Cooling | fan | fan |
| Dimensions | 406 x 250 x 100 mm (15.98 x 9.84 x 3.94 in) | 16.6 x 8.4 x 4.7 in (42 x 21 x 12 cm) |
| Weight | 18.1 lb | 23 lb |
| Warranty | 5 years | 3 years |