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 $1,105The Victron MultiPlus-II 12/4k 120V is the better 12V inverter overall, rated 4.0 to 3.9. The Redodo 3000W Inverter Charger wins on value. The Redodo 3000W Inverter Charger costs $653.76 less ($451.24 vs $1,105).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A budget inverter-charger for home backup or a DIY RV with a 12 V lithium bank. Compare it with LiTime’s version of the same unit, which usually sells for less.
Amazon $451.24Which should you buy?
- Choose the Redodo 3000W Inverter Charger for value ($0.15 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 | Redodo 3000W Inverter Charger |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 30% | 90 $0.33 per continuous watt | 100 $0.15 per continuous watt |
| Idle draw 15% | 73 1.5 A idle (about 18 W) with nothing plugged in | 50 idle draw not published (neutral score used) |
| 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 | 100 5-year warranty |
| Features 15% | 65 optional remote, app add-on, lithium charge profile, hardwire terminal | 68 remote included, lithium charge profile, display; no app |
| Efficiency 10% | 89 93% peak efficiency (maker rating) | 50 efficiency not published (neutral score used) |
Specifications
| Victron MultiPlus-II 12/4k 120V | Redodo 3000W 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 | 9,000 W |
| DC input range | 9.5 to 17 V | 10.5 to 16 V |
| Idle draw | 1.5 A (18 W) | - |
| Power-saving draw | 0.3 A | - |
| Peak efficiency | 93% | - |
| Connections | ||
| AC outlets | 0 | - |
| GFCI outlets | No | - |
| Hardwire terminal | Yes | - |
| USB ports | None | - |
| Transfer switch | Yes | Yes |
| Charger | 160 A | 45 A |
| Lithium charge profile | Yes | Yes |
| Parallel units | Yes | - |
| Control and build | ||
| Remote | Optional extra | Included |
| App | Optional add-on | No |
| 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) | 16.54 x 7.28 x 7.09 in |
| Weight | 49 lb | 52 lb |
| Warranty | 5 years | 5 years |
