A well-rounded 48 V inverter-charger for an off-grid cabin, backup system or large RV. Low idle draw, real certifications and Victron’s system integration make it a safe choice.
Amazon DRSA $1,052.30The Victron MultiPlus-II 48/3000 120V is the better 48V inverter overall, rated 4.3 to 3.5. The Victron MultiPlus-II 48/3000 120V leads on safety listing, value and idle draw. The Victron MultiPlus-II 48/3000 120V costs $258.40 less ($1,052.30 vs $1,310.70).
For a 48 V cabin or boat that needs two AC inputs, such as grid plus generator, in a 3 kVA size. Buyers with one AC source get lower idle draw and UL listings from the MultiPlus-II 48/3000.
Backwoods Solar $1,310.70Prices 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-II 48/3000 120V for safety listing (LabTest certified to UL 1741 and CSA C22.2 No. 107.1 (LC20469-1) and to UL 458 (LC20469-3) vs no UL 458 or UL 1741 listing stated), value ($0.44 per continuous watt vs $0.55 per continuous watt) and idle draw (11 W idle with nothing plugged in vs 25 W idle with nothing plugged in).
Scores side by side
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 48/3000 120V | Victron Quattro 48/3000 120V |
|---|---|---|
| Overall rating | 4.3/5 | 3.5/5 |
| Value 30% | 56 $0.44 per continuous watt | 39 $0.55 per continuous watt |
| Idle draw 15% | 99 11 W idle with nothing plugged in | 79 25 W idle with nothing plugged in |
| Safety listing 15% | 100 LabTest certified to UL 1741 and CSA C22.2 No. 107.1 (LC20469-1) and to UL 458 (LC20469-3) | 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 95% peak efficiency (maker rating) | 100 94% peak efficiency (maker rating) |
Specifications
| Victron MultiPlus-II 48/3000 120V | Victron Quattro 48/3000 120V | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| AC output | 120 V | 120 V |
| Continuous power | 2,400 W | 2,400 W |
| Surge power | 5,500 W | 6,000 W |
| DC input range | 38 to 66 V | 38 to 66 V |
| Idle draw | 11 W (0.2 A at 48 V) | 25 W (0.5 A at 48 V) |
| Power-saving draw | 2 W | 12 W |
| Peak efficiency | 95% | 94% |
| Connections | ||
| AC outlets | 0 | 0 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | Yes |
| USB ports | None | None |
| Transfer switch | Yes | Yes |
| Pass-through rating | 50 A | 50 A |
| Charger | 35 A | 35 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 (LC20469-1) and to UL 458 (LC20469-3) | No |
| Cooling | fan | fan |
| Dimensions | 572 x 277 x 147 mm (22.5 x 10.9 x 5.8 in) | 362 x 258 x 218 mm (14.3 x 10.2 x 8.6 in) |
| Weight | 42 lb | 42 lb |
| Warranty | 5 years | 5 years |
