Victron MultiPlus-II 48/3000 120V
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 $1,052.30$1,052.30
The Victron MultiPlus-II 48/3000 120V rates 4.3 among 120V inverter-chargers 48V inverters; the Samlex PSR-2200-48 rates 2.3 among over 1,500 W ones. The Victron MultiPlus-II 48/3000 120V costs $1,002 less ($1,052.30 vs $2,054.30).
Samlex PSR-2200-48
#18 in Over 1,500 WFull review
For telecom or network racks on a 48 V plant that need 2,200 W of clean AC with utility transfer, not for a cabin or RV.
Don Rowe $2,054.30 Solarflexion $2,054.30$2,054.30
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
These two sit in different size classes (120V inverter-chargers and over 1,500 W), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Victron MultiPlus-II 48/3000 120V | Samlex PSR-2200-48 |
|---|---|---|
| Overall rating | 4.3/5 | 2.3/5 |
| Value 30% | 56 $0.44 per continuous watt | 0 $0.93 per continuous watt |
| Idle draw 15% | 99 11 W idle with nothing plugged in | 41 33.6 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 | 25 2-year warranty |
| Features 15% | 50 optional remote, app add-on, lithium charge profile, hardwire terminal | 30 transfer switch, display; no remote |
| Efficiency 10% | 100 95% peak efficiency (maker rating) | 78 92% peak efficiency (maker rating) |
Specifications
| Victron MultiPlus-II 48/3000 120V | Samlex PSR-2200-48 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter |
| AC output | 120 V | 120 V |
| Continuous power | 2,400 W | 2,200 W |
| Surge power | 5,500 W | 4,000 W |
| DC input range | 38 to 66 V | 40 to 60 V |
| Idle draw | 11 W (0.2 A at 48 V) | 33.6 W (0.7 A at 48 V) |
| Power-saving draw | 2 W | - |
| Peak efficiency | 95% | 92% |
| Connections | ||
| AC outlets | 0 | 2 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | No |
| USB ports | None | None |
| Transfer switch | Yes | Yes |
| Pass-through rating | 50 A | 30 A |
| Charger | 35 A | - |
| Lithium charge profile | Yes | - |
| Parallel units | Yes | No |
| Control and build | ||
| Remote | Optional extra | No |
| App | Optional add-on | No |
| Display | No | Yes |
| Safety listing | LabTest certified to UL 1741 and CSA C22.2 No. 107.1 (LC20469-1) and to UL 458 (LC20469-3) | No |
| Design | - | High-frequency |
| Cooling | fan | load-controlled fan |
| Dimensions | 572 x 277 x 147 mm (22.5 x 10.9 x 5.8 in) | 482 x 410 x 87.7 mm (19 x 16.1 x 3.5 in), 2U |
| Weight | 42 lb | 23.1 lb |
| Warranty | 5 years | 2 years |