Cotek SP-1000-112
#26 in Up to 1,000 WFull review
For vans and small RVs that run a small microwave and want very low standby draw.
Northern Arizona Wind & Sun $406$406
2.1/5
For campers who want a small, efficient inverter for electronics and a fridge, without needing a listed unit.
- 700 WContinuous
- 1,230 WSurge
- 1.5 AIdle draw
- NoUL listed
- 2 yearsWarranty
Check price at Amazon$355.99
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs a TV, laptop and small fridge
- Under 0.1 A in powersave, so it can stay on all day
- GFCI outlets for galley use
- Quiet fan that speeds up with load
Cons
- No UL 458 listing by a named lab
- Two-year warranty
The Go Power! GP-ISW family
Every Go Power! GP-ISW model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Go Power! GP-ISW700 (this one) | 700 W | 2.1/5 | $355.99 |
| Go Power! GP-ISW1000 | 1,000 W | 2.5/5 | $367.90 |
| Go Power! GP-ISW1500 | 1,500 W | 2.3/5 | $535 |
| Go Power! GP-ISW2000 | 2,000 W | 2.2/5 | $759.99 |
| Go Power! GP-ISW3000 | 3,000 W | 2.0/5 | $1,128.95 |
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 | GP-ISW700-12 |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| Continuous power | 700 W |
| Surge power | 1,230 W |
| DC input range | 10.5 to 16.5 V |
| Idle draw | 1.5 A (18 W) |
| Power-saving draw | 0.1 A |
| Peak efficiency | 91% |
| 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 | 330 x 200 x 83 mm (13.00 x 7.87 x 3.27 in) |
| Weight | 5.7 lb |
| Warranty | 2 years |
Alternatives in this size
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
Cotek SP-700-112
#28 in Up to 1,000 WFull review
For campers who want a small, efficient inverter for electronics and a fridge.
Amazon $354$354
Compare
Compare the Go Power! GP-ISW700 with any other 12V inverter →
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