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 $451.24The Redodo 3000W Inverter Charger is the better 12V inverter overall, rated 3.9 to 3.3. The Redodo 3000W Inverter Charger leads on warranty. The Redodo 3000W Inverter Charger costs $568.76 less ($451.24 vs $1,020).
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.
The largest 12 V model in SunGoldPower’s low-frequency line, for cabins that need surge capacity. At this size a 24 V or 48 V system is usually the better choice.
SunGoldPower $1,020Which should you buy?
- Choose the Redodo 3000W Inverter Charger for warranty (5-year warranty vs 1-year warranty).
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 | Redodo 3000W Inverter Charger | SunGoldPower 4000W LF Inverter Charger |
|---|---|---|
| Overall rating | 3.9/5 | 3.3/5 |
| Value 30% | 100 $0.15 per continuous watt | 99 $0.26 per continuous watt |
| Idle draw 15% | 50 idle draw not published (neutral score used) | 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 | 0 1-year warranty |
| Features 15% | 68 remote included, lithium charge profile, display; no app | 65 remote included, lithium charge profile, hardwire terminal; no app |
| Efficiency 10% | 50 efficiency not published (neutral score used) | 33 88% peak efficiency (maker rating) |
Specifications
| Redodo 3000W Inverter Charger | SunGoldPower 4000W LF Inverter Charger | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| Continuous power | 3,000 W | 4,000 W |
| Surge power | 9,000 W | 12,000 W for 20 s |
| DC input range | 10.5 to 16 V | 10 to 16 V |
| Power-saving draw | - | 2.1 A |
| Peak efficiency | - | 88% |
| Connections | ||
| Hardwire terminal | - | Yes |
| Transfer switch | Yes | Yes |
| Charger | 45 A | 120 A |
| Lithium charge profile | Yes | Yes |
| Control and build | ||
| Remote | Included | Included |
| App | No | No |
| Display | Yes | No |
| Safety listing | No | No |
| Cooling | - | load-controlled fan |
| Dimensions | 16.54 x 7.28 x 7.09 in | 23.5 x 9.5 x 7.8 in |
| Weight | 52 lb | 77.2 lb |
| Warranty | 5 years | 1 year |
