Victron MultiPlus-II 12/4k 120V
For big 12 V lithium builds that want to run an air conditioner without moving to 24 or 48 V. Check that your inspector accepts it before buying, since no UL certificate is published.
DRSA $1,105$1,105
The Victron MultiPlus-II 12/4k 120V is the better 12V inverter overall, rated 4.0 to 3.9. The Victron MultiPlus-II 12/4k 120V leads on warranty and efficiency. The Renogy 3000W HF Inverter Charger wins on features, idle draw and value. The Renogy 3000W HF Inverter Charger costs $505.01 less ($599.99 vs $1,105).
Renogy 3000W HF Inverter Charger
#11 in Inverter-chargersFull review
For RVs and home backup with a big 12 V lithium bank that want fast shore charging and seamless changeover. It undercuts the major brands while matching their headline features.
Amazon $599.99$599.99
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.
Which should you buy?
- Choose the Victron MultiPlus-II 12/4k 120V for warranty (5-year warranty vs 2-year warranty) and efficiency (93% peak efficiency (maker rating) vs 90% peak efficiency (maker rating)).
- Choose the Renogy 3000W HF Inverter Charger for features (remote included, app, lithium charge profile, display vs optional remote, app add-on, lithium charge profile, hardwire terminal), idle draw (1 A idle (about 12 W) with nothing plugged in vs 1.5 A idle (about 18 W) with nothing plugged in) and value ($0.20 per continuous watt vs $0.33 per continuous watt).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every inverter-chargers 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron MultiPlus-II 12/4k 120V | Renogy 3000W HF Inverter Charger |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 30% | 90 $0.33 per continuous watt | 100 $0.20 per continuous watt |
| Idle draw 15% | 73 1.5 A idle (about 18 W) with nothing plugged in | 93 1 A idle (about 12 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 100 5-year warranty | 25 2-year warranty |
| Features 15% | 65 optional remote, app add-on, lithium charge profile, hardwire terminal | 92 remote included, app, lithium charge profile, display |
| Efficiency 10% | 89 93% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Victron MultiPlus-II 12/4k 120V | Renogy 3000W HF Inverter Charger | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| Continuous power | 3,400 W | 3,000 W |
| Surge power | 6,000 W for 2 s | 6,000 W for 100 ms |
| DC input range | 9.5 to 17 V | 10.5 to 16.5 V |
| Idle draw | 1.5 A (18 W) | 1 A (12 W) |
| Power-saving draw | 0.3 A | - |
| Peak efficiency | 93% | 90% |
| Connections | ||
| AC outlets | 0 | - |
| GFCI outlets | No | - |
| Hardwire terminal | Yes | - |
| USB ports | None | - |
| Transfer switch | Yes | Yes |
| Charger | 160 A | 100 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | Yes | - |
| Control and build | ||
| Remote | Optional extra | Included |
| App | Optional add-on | Built in |
| Display | No | Yes |
| Safety listing | No | No |
| Cooling | fan | - |
| Dimensions | 631 x 277 x 164 mm (24.8 x 10.9 x 6.5 in) | 17.0 x 11.3 x 4.3 in |
| Weight | 49 lb | 16.3 lb |
| Warranty | 5 years | 2 years |