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 $599.99The Renogy 3000W HF Inverter Charger is the better 12V inverter overall, rated 3.9 to 3.1. The Renogy 3000W HF Inverter Charger leads on value, idle draw and features. The Xantrex Freedom SW 3000 wins on safety listing. The Renogy 3000W HF Inverter Charger costs $1,481.98 less ($599.99 vs $2,081.97).
A proven drop-in replacement for discontinued Magnum units in large RVs and boats with 30 A dual-leg wiring. For a new build, the lighter Freedom XC Pro 3000 is the better buy unless you need stacking.
Amazon $2,081.97Prices 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 Renogy 3000W HF Inverter Charger for value ($0.20 per continuous watt vs $0.69 per continuous watt), idle draw (1 A idle (about 12 W) with nothing plugged in vs 3 A idle (about 36 W) with nothing plugged in) and features (remote included, app, lithium charge profile, display vs optional remote, app add-on, hardwire terminal; no lithium charge profile).
- Choose the Xantrex Freedom SW 3000 for safety listing (ETL listed to CSA 107.1, UL 458 and UL 458 Marine Supplement vs no UL 458 or UL 1741 listing stated).
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 | Renogy 3000W HF Inverter Charger | Xantrex Freedom SW 3000 |
|---|---|---|
| Overall rating | 3.9/5 | 3.1/5 |
| Value 30% | 100 $0.20 per continuous watt | 41 $0.69 per continuous watt |
| Idle draw 15% | 93 1 A idle (about 12 W) with nothing plugged in | 13 3 A idle (about 36 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 ETL listed to CSA 107.1, UL 458 and UL 458 Marine Supplement |
| Warranty 15% | 25 2-year warranty | 25 2-year warranty |
| Features 15% | 92 remote included, app, lithium charge profile, display | 40 optional remote, app add-on, hardwire terminal; no lithium charge profile |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Renogy 3000W HF Inverter Charger | Xantrex Freedom SW 3000 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter-charger |
| Continuous power | 3,000 W | 3,000 W |
| Surge power | 6,000 W for 100 ms | 6,000 W for 5 s |
| DC input range | 10.5 to 16.5 V | 10 to 16 V |
| Idle draw | 1 A (12 W) | 3 A (36 W) |
| Power-saving draw | - | 0.7 A |
| Peak efficiency | 90% | 90% |
| Connections | ||
| AC outlets | - | 0 |
| GFCI outlets | - | No |
| Hardwire terminal | - | Yes |
| USB ports | - | None |
| Transfer switch | Yes | Yes |
| Charger | 100 A | 150 A |
| Lithium charge profile | Yes | No |
| Parallel units | - | Yes |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | Optional add-on |
| Display | Yes | No |
| Safety listing | No | ETL listed to CSA 107.1, UL 458 and UL 458 Marine Supplement |
| Cooling | - | load-controlled fan |
| Dimensions | 17.0 x 11.3 x 4.3 in | 15.25 x 13.5 x 7.75 in (387 x 343 x 197 mm) |
| Weight | 16.3 lb | 60.5 lb |
| Warranty | 2 years | 2 years |
| Released | - | 2013-04 |
