Cotek SP-2000-112
#36 in 1,100 to 2,000 WFull review
For RVs that need 2,000 W from GFCI outlets with very low standby draw.
Northern Arizona Wind & Sun $754$754
The Cotek SP-2000-112 rates 2.3 among 1,100 to 2,000 W 12V inverters; the Cotek SP-3000-112 rates 2.1 among over 2,000 W ones. The Cotek SP-2000-112 costs $359 less ($754 vs $1,113).
Cotek SP-3000-112
#22 in Over 2,000 WFull review
For RVs and cabins that hardwire a 3,000 W inverter into a subpanel.
Amazon $1,113$1,113
Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (1,100 to 2,000 W and over 2,000 W), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Cotek SP-2000-112 | Cotek SP-3000-112 |
|---|---|---|
| Overall rating | 2.3/5 | 2.1/5 |
| Value 30% | 20 $0.38 per continuous watt | 9 $0.37 per continuous watt |
| Idle draw 15% | 13 1.8 A idle (about 21.6 W) with nothing plugged in | 0 3.8 A idle (about 45.6 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 25 2-year warranty | 25 2-year warranty |
| Features 15% | 12 optional remote; no app | 28 optional remote, hardwire terminal; no app |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Cotek SP-2000-112 | Cotek SP-3000-112 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 2,000 W | 3,000 W |
| Surge power | 3,500 W for 3 s | 6,000 W for 1 s |
| DC input range | 10.5 to 16.5 V | 10.5 to 16.5 V |
| Idle draw | 1.8 A (21.6 W) | 3.8 A (45.6 W) |
| Power-saving draw | 0.1 A | 0.4 A |
| Peak efficiency | 92% | 90% |
| Connections | ||
| AC outlets | 2 | 0 |
| GFCI outlets | Yes | No |
| Hardwire terminal | No | Yes |
| USB ports | None | None |
| Transfer switch | No | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | No | No |
| Display | No | No |
| Safety listing | No | No |
| Cooling | load-controlled fan | load-controlled fan |
| Dimensions | 248 x 83 x 443 mm (W x H x D) | 255 x 158 x 442 mm (W x H x D) |
| Weight | 11.6 lb | 18.1 lb |
| Warranty | 2 years | 2 years |