Victron MultiPlus-II 12/4k 2x120V
The biggest 12 V MultiPlus-II, for 50 A motorhomes with large lithium banks that want air conditioning off-grid. Confirm the listing your installer needs, since no UL certificate is published.
DRSA $1,190$1,190
The Victron MultiPlus-II 12/4k 2x120V rates 4.0 among inverter-chargers 12V inverters; the Renogy PUH 3000W with Transfer Switch rates 4.0 among over 2,000 W ones. The Renogy PUH 3000W with Transfer Switch costs $728.03 less ($461.97 vs $1,190).
Renogy PUH 3000W with Transfer Switch
#2 in Over 2,000 WFull review
A big inverter with automatic changeover for RVs and home backup that already have a separate charger. Renogy’s HF inverter-chargers add charging for more money.
Amazon $461.97$461.97
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 (inverter-chargers and over 2,000 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 12/4k 2x120V | Renogy PUH 3000W with Transfer Switch |
|---|---|---|
| Overall rating | 4.0/5 | 4.0/5 |
| Value 30% | 87 $0.35 per continuous watt | 77 $0.15 per continuous watt |
| Idle draw 15% | 73 1.5 A idle (about 18 W) with nothing plugged in | 67 1.5 A idle (about 18 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 UL certified to UL 458 and CSA C22.2 No. 107.1-01 |
| Warranty 15% | 100 5-year warranty | 0 1-year warranty |
| Features 15% | 65 optional remote, app add-on, lithium charge profile, hardwire terminal | 95 remote included, app, transfer switch, hardwire terminal |
| Efficiency 10% | 89 93% peak efficiency (maker rating) | 78 92% peak efficiency (maker rating) |
Specifications
| Victron MultiPlus-II 12/4k 2x120V | Renogy PUH 3000W with Transfer Switch | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter |
| Continuous power | 3,400 W | 3,000 W |
| Surge power | 6,000 W for 2 s | 6,000 W for 2 s |
| DC input range | 9.5 to 17 V | 11 to 15.5 V |
| Idle draw | 1.5 A (18 W) | 1.5 A (18 W) |
| Power-saving draw | 0.3 A | - |
| Peak efficiency | 93% | 92% |
| Connections | ||
| AC outlets | 0 | 3 |
| GFCI outlets | No | Yes |
| Hardwire terminal | Yes | Yes |
| USB ports | None | 1 |
| Transfer switch | Yes | Yes |
| Charger | 160 A | - |
| Lithium charge profile | Yes | - |
| Parallel units | Yes | No |
| Control and build | ||
| Remote | Optional extra | Included |
| App | Optional add-on | Built in |
| Display | No | - |
| Safety listing | No | UL certified to UL 458 and CSA C22.2 No. 107.1-01 |
| Cooling | fan | fan |
| Dimensions | 650 x 275 x 165 mm (25.6 x 11 x 6.5 in) | 19.2 x 10.4 x 3.8 in |
| Weight | 55 lb | 14.8 lb |
| Warranty | 5 years | 1 year |