For RVs that run a microwave or coffee maker. Same hardware as the Cotek SP-1500-112.
Amazon $535
For RVs that need 2,000 W from GFCI outlets with very low powersave draw.
- 2,000 WContinuous
- 3,500 WSurge
- 1.8 AIdle draw
- NoUL listed
- 2 yearsWarranty
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
- Runs a microwave with headroom for a TV
- Under 0.1 A in powersave mode
- GFCI outlets built in
- Slim 3.3 in tall case
- 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 | 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 (this one) | 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-ISW2000-12 |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| Continuous power | 2,000 W |
| Surge power | 3,500 W |
| DC input range | 10.5 to 16.5 V |
| Idle draw | 1.8 A (21.6 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 | 443 x 248 x 83 mm (17.45 x 9.76 x 3.27 in) |
| Weight | 11.6 lb |
| Warranty | 2 years |
Alternatives in this size
For RVs that need 2,000 W from GFCI outlets with very low standby draw.
Northern Arizona Wind & Sun $754For RVs that run a microwave or coffee maker and want an efficient, slim inverter.
Amazon $562Compare
Compare the Go Power! GP-ISW2000 with any other 12V inverter →
More from Go Power!: every Go Power! product ranked.