WZRELB 3000W Pure Sine (SEVC)
#16 in Over 2,000 WFull review
A rock-bottom 3000 W inverter for DIY builds that want a hardwire terminal. With no spec sheet or safety listing, it suits buyers who prize price over documentation.
Amazon $209.60$209.60
3.2/5
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.
- 3,000 WContinuous
- 6,000 WSurge
- YesUL listed
- 2 yearsWarranty
Check price at Amazon$1,045.72
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs a microwave and coffee maker together, with 6,000 W for 5 seconds
- Built-in 30 A transfer switch hands loads to shore power automatically
- ETL listed to UL 458 with a marine supplement
- Light for its size at 16.5 lb
Cons
- Idle draw is not published
- No charger: shore power will not refill the battery through it
- App monitoring needs the Bluetooth remote panel, sold separately
The Xantrex Freedom X family
Every Xantrex Freedom X model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Xantrex Freedom X 1000 | 1,000 W | 3.5/5 | $397.34 |
| Xantrex Freedom X 1200 | 1,200 W | 3.4/5 | $432.73 |
| Xantrex Freedom X 2000 | 2,000 W | 3.2/5 | $763.36 |
| Xantrex Freedom X 3000 (this one) | 3,000 W | 3.2/5 | $1,045.72 |
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 | 817-3000 |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| Continuous power | 3,000 W |
| Surge power | 6,000 W for 5 s |
| DC input range | 10 to 18 V |
| 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 | Optional add-on |
| Display | Yes |
| Safety listing | ETL listed to CSA C22.2 No. 107.1 and UL 458 with marine supplement |
| Cooling | load-controlled fan |
| Dimensions | 15.4 x 10.8 x 4.0 in (390 x 275 x 102 mm), 12 in wide with flanges |
| Weight | 16.5 lb |
| Warranty | 2 years |
| Released | 2017-07 |
Alternatives in this size
WZRELB 5000W Pure Sine (SEVC)
#17 in Over 2,000 WFull review
For buyers who want the biggest possible 12 V inverter for the money and can wire for 400+ A. Its ratings come only from the Amazon listing.
Amazon $461.69$461.69
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
Compare
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