A compact inverter-charger for a small 48 V cabin or boat with a generator or shore feed. Pick a MultiPlus-II 48/3000 for more power and a UL listing.
Northern Arizona Wind & Sun $785.42The Victron MultiPlus 48/2000 120V is the better 48V inverter overall, rated 3.7 to 3.5. The Victron MultiPlus 48/2000 120V leads on value, idle draw and efficiency. The OutBack FXR3048A wins on safety listing. The Victron MultiPlus 48/2000 120V costs $1,528.58 less ($785.42 vs $2,314).
For a dusty, humid or coastal off-grid site where a sealed inverter earns its keep. Built to last, but it costs more and idles higher than newer designs.
Northern Arizona Wind & Sun $2,314Prices 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 48/2000 120V for value ($0.49 per continuous watt vs $0.77 per continuous watt), idle draw (11 W idle with nothing plugged in vs 34 W idle with nothing plugged in) and efficiency (95% peak efficiency (maker rating) vs 93% peak efficiency (maker rating)).
- Choose the OutBack FXR3048A for safety listing (ETL listed to UL 1741 (2nd Ed. with supplement SA) 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 120V inverter-chargers 48V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron MultiPlus 48/2000 120V | OutBack FXR3048A |
|---|---|---|
| Overall rating | 3.7/5 | 3.5/5 |
| Value 30% | 48 $0.49 per continuous watt | 4 $0.77 per continuous watt |
| Idle draw 15% | 99 11 W idle with nothing plugged in | 66 34 W idle with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 ETL listed to UL 1741 (2nd Ed. with supplement SA) |
| 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) | 89 93% peak efficiency (maker rating) |
Specifications
| Victron MultiPlus 48/2000 120V | OutBack FXR3048A | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| AC output | 120 V | 120 V |
| Continuous power | 1,600 W | 3,000 W |
| Surge power | 3,500 W | 5,400 W for 5 s |
| DC input range | 38 to 66 V | 42 to 68 V |
| Idle draw | 11 W (0.2 A at 48 V) | 34 W (0.7 A at 48 V) |
| Power-saving draw | 4 W | 9 W |
| Peak efficiency | 95% | 93% |
| 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 | 60 A |
| Charger | 25 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 | No | ETL listed to UL 1741 (2nd Ed. with supplement SA) |
| Design | - | Low-frequency (transformer) |
| Cooling | fan | fan |
| Dimensions | 506 x 236 x 147 mm | 13 x 8.25 x 16.25 in (33 x 21 x 41 cm) |
| Weight | 34.2 lb | 62 lb |
| Warranty | 5 years | 5 years |
