Xantrex Freedom X 3000
#18 in Over 2,000 WFull review
For RVs with a separate charger that need 3000 W for kitchen loads. It is listed, light and switches to shore power automatically, but has no built-in charger.
Amazon $1,045.72$1,045.72
3.0/5
For RVs that already have a converter or solar charging and want an inverter with a built-in transfer switch.
- 3,000 WContinuous
- 6,000 WSurge
- 2.8 AIdle draw
- YesUL listed
- 2 yearsWarranty
Check price at Amazon$941.57
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Built-in 30 A transfer switch switches to shore power on its own
- UL certified (cULus) for RV installs
- Under 0.1 A in power saving mode
Cons
- No battery charger, so shore power needs a separate converter
- Hardwire only, no outlets
- Two-year warranty
The Go Power! ASW family
Every Go Power! ASW model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Go Power! ASW-1200-12-TS | 1,200 W | 3.1/5 | $398.74 |
| Go Power! ASW-1800-12-TS | 1,800 W | 3.0/5 | $621.27 |
| Go Power! ASW-3000-12-TS (this one) | 3,000 W | 3.0/5 | $941.57 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | ASW-3000-12-TS |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| Continuous power | 3,000 W |
| Surge power | 6,000 W for 3 s |
| DC input range | 10 to 16.5 V |
| Idle draw | 2.8 A (33.6 W) |
| Power-saving draw | 0.1 A |
| Peak efficiency | 91% |
| Connections | |
| AC outlets | 0 |
| GFCI outlets | No |
| Hardwire terminal | Yes |
| USB ports | None |
| Transfer switch | Yes |
| Parallel units | No |
| Control and build | |
| Remote | Optional extra |
| App | No |
| Display | No |
| Safety listing | Certified UL 458; cULus certified |
| Dimensions | 290 x 102 x 419 mm (11.42 x 4.02 x 16.50 in) |
| Weight | 14.3 lb |
| Warranty | 2 years |
Alternatives in this size
Giandel GS-4000KAR 4000W Pure Sine
#19 in Over 2,000 WFull review
A low-cost way to get 4000 W on a 12 V system with GFCI outlets. It needs a very large battery bank and heavy cabling to make use of it.
Amazon $398.95 Giandel $386.95$386.95
Victron Phoenix 12/3000 120V
#21 in Over 2,000 WFull review
A heavy-duty 3,000 VA inverter for a large van, boat or cabin that has separate charging and shore-power switching. Most buyers are better served by a MultiPlus 12/3000, which adds the charger and transfer switch.
Amazon $862.79$862.79
Compare
Compare the Go Power! ASW-3000-12-TS with any other 12V inverter →
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