The Renogy PUH 3000W with Transfer Switch rates 4.0 among over 2,000 W 12V inverters; the Xantrex Freedom SW 3000 rates 3.1 among inverter-chargers ones. The Renogy PUH 3000W with Transfer Switch costs $1,620 less ($461.97 vs $2,081.97).
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 $461.97A 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.
These two sit in different size classes (over 2,000 W and inverter-chargers), 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 | Renogy PUH 3000W with Transfer Switch | Xantrex Freedom SW 3000 |
|---|---|---|
| Overall rating | 4.0/5 | 3.1/5 |
| Value 30% | 77 $0.15 per continuous watt | 41 $0.69 per continuous watt |
| Idle draw 15% | 67 1.5 A idle (about 18 W) with nothing plugged in | 13 3 A idle (about 36 W) with nothing plugged in |
| Safety listing 15% | 100 UL certified to UL 458 and CSA C22.2 No. 107.1-01 | 100 ETL listed to CSA 107.1, UL 458 and UL 458 Marine Supplement |
| Warranty 15% | 0 1-year warranty | 25 2-year warranty |
| Features 15% | 95 remote included, app, transfer switch, hardwire terminal | 40 optional remote, app add-on, hardwire terminal; no lithium charge profile |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
| Renogy PUH 3000W with Transfer Switch | Xantrex Freedom SW 3000 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter-charger |
| Continuous power | 3,000 W | 3,000 W |
| Surge power | 6,000 W for 2 s | 6,000 W for 5 s |
| DC input range | 11 to 15.5 V | 10 to 16 V |
| Idle draw | 1.5 A (18 W) | 3 A (36 W) |
| Power-saving draw | - | 0.7 A |
| Peak efficiency | 92% | 90% |
| Connections | ||
| AC outlets | 3 | 0 |
| GFCI outlets | Yes | No |
| Hardwire terminal | Yes | Yes |
| USB ports | 1 | None |
| Transfer switch | Yes | Yes |
| Charger | - | 150 A |
| Lithium charge profile | - | No |
| Parallel units | No | Yes |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | Optional add-on |
| Display | - | No |
| Safety listing | UL certified to UL 458 and CSA C22.2 No. 107.1-01 | ETL listed to CSA 107.1, UL 458 and UL 458 Marine Supplement |
| Cooling | fan | load-controlled fan |
| Dimensions | 19.2 x 10.4 x 3.8 in | 15.25 x 13.5 x 7.75 in (387 x 343 x 197 mm) |
| Weight | 14.8 lb | 60.5 lb |
| Warranty | 1 year | 2 years |
| Released | - | 2013-04 |
