Samlex PST-1000-12HD
#24 in Up to 1,000 WFull review
For RV and boat builders who need a listed 1,000 W inverter that can be hardwired. Shoppers on a budget get more from the NTX-1000-12.
Amazon $637.55$637.55
2.4/5
For vans and small RVs that run a small microwave and want very low standby draw.
- 1,000 WContinuous
- 1,750 WSurge
- 1.5 AIdle draw
- NoUL listed
- 2 yearsWarranty
Check price at Northern Arizona Wind & Sun$406
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs a small microwave or coffee maker
- Under 0.1 A in power saving mode
- GFCI outlets built in
Cons
- No UL 458 listing by a named lab
- Two-year warranty
The Cotek SP family
Every Cotek SP model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Cotek SP-700-112 | 700 W | 2.1/5 | $354 |
| Cotek SP-1000-112 (this one) | 1,000 W | 2.4/5 | $406 |
| Cotek SP-1500-112 | 1,500 W | 2.2/5 | $562 |
| Cotek SP-2000-112 | 2,000 W | 2.3/5 | $754 |
| Cotek SP-3000-112 | 3,000 W | 2.1/5 | $1,113 |
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 | SP-1000-112 |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| Continuous power | 1,000 W |
| Surge power | 1,750 W for 3 s |
| DC input range | 10.5 to 16.5 V |
| Idle draw | 1.5 A (18 W) |
| Power-saving draw | 0.1 A |
| Peak efficiency | 92% |
| Connections | |
| AC outlets | 2 |
| GFCI outlets | Yes |
| Hardwire terminal | No |
| USB ports | None |
| Transfer switch | No |
| Parallel units | No |
| Control and build | |
| Remote | Optional extra |
| App | No |
| Display | No |
| Safety listing | No |
| Cooling | load-controlled fan |
| Dimensions | 200 x 83 x 372 mm (W x H x D) |
| Weight | 7.2 lb |
| Warranty | 2 years |
Alternatives in this size
Go Power! GP-ISW1000
#25 in Up to 1,000 WFull review
For vans and small RVs that run a small microwave or coffee maker and want low idle draw.
Amazon $367.90$367.90
Samlex PST-120-12
#27 in Up to 1,000 WFull review
For powering one laptop or CPAP from a vehicle 12 V socket. Pricey per watt, but clean and tiny.
Amazon $206.29$206.29
Compare
Compare the Cotek SP-1000-112 with any other 12V inverter →
More from Cotek: every Cotek product ranked.