The Victron MultiPlus-II 48/5000 120V is the better 48V inverter overall, rated 4.4 to 3.6. The Victron MultiPlus-II 48/5000 120V leads on safety listing, idle draw and value. The Victron MultiPlus-II 48/5000 120V costs $331.53 less ($1,307.32 vs $1,638.85).
A strong 48 V inverter-charger for an off-grid home or whole-house backup on 120 V. It handles big loads, charges fast from a generator, and carries the certifications inspectors ask for.
Amazon Northern Arizona Wind & Sun $1,307.32For an off-grid home or large boat that switches between grid and generator and needs big motor-starting power. The MultiPlus-II 48/5000 idles lower and has published UL certificates if one AC input is enough.
Amazon $1,785 Backwoods Solar $1,638.85Prices 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.
Each factor is scored 0-100 against the same fixed reference points for every 120V inverter-chargers 48V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron MultiPlus-II 48/5000 120V | Victron Quattro 48/5000 120V |
|---|---|---|
| Overall rating | 4.4/5 | 3.6/5 |
| Value 30% | 73 $0.33 per continuous watt | 60 $0.41 per continuous watt |
| Idle draw 15% | 93 15 W idle with nothing plugged in | 64 35 W idle with nothing plugged in |
| Safety listing 15% | 100 LabTest certified to UL 1741 and CSA C22.2 No. 107.1 (LC22395-1) and to UL 458 (LC26-6384-1) | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 100 5-year warranty | 100 5-year warranty |
| Features 15% | 50 optional remote, app add-on, lithium charge profile, hardwire terminal | 50 optional remote, app add-on, lithium charge profile, hardwire terminal |
| Efficiency 10% | 100 96% peak efficiency (maker rating) | 100 95% peak efficiency (maker rating) |
| Victron MultiPlus-II 48/5000 120V | Victron Quattro 48/5000 120V | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| AC output | 120 V | 120 V |
| Continuous power | 4,000 W | 4,000 W |
| Surge power | 9,000 W | 10,000 W |
| DC input range | 38 to 66 V | 38 to 66 V |
| Idle draw | 15 W (0.3 A at 48 V) | 35 W (0.7 A at 48 V) |
| Power-saving draw | 3 W | 15 W |
| Peak efficiency | 96% | 95% |
| Connections | ||
| AC outlets | 0 | 0 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | Yes |
| USB ports | None | None |
| Transfer switch | Yes | Yes |
| Pass-through rating | 95 A | 100 A |
| Charger | 70 A | 70 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 1741 and CSA C22.2 No. 107.1 (LC22395-1) and to UL 458 (LC26-6384-1) | No |
| Cooling | fan | fan |
| Dimensions | 676 x 330 x 164 mm (26.6 x 13.0 x 6.5 in) | 444 x 328 x 240 mm (17.5 x 13.0 x 9.6 in) |
| Weight | 71 lb | 66 lb |
| Warranty | 5 years | 5 years |
