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
The Cotek SP-1000-112 rates 2.4 among up to 1,000 W 12V inverters; the Cotek SP-1500-112 rates 2.2 among 1,100 to 2,000 W ones. The Cotek SP-1000-112 costs $156 less ($406 vs $562).
Cotek SP-1500-112
#38 in 1,100 to 2,000 WFull review
For RVs that run a microwave or coffee maker and want an efficient, slim inverter.
Amazon $562$562
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 (up to 1,000 W and 1,100 to 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-1000-112 | Cotek SP-1500-112 |
|---|---|---|
| Overall rating | 2.4/5 | 2.2/5 |
| Value 30% | 40 $0.41 per continuous watt | 21 $0.38 per continuous watt |
| Idle draw 15% | 0 1.5 A idle (about 18 W) with nothing plugged in | 13 1.8 A idle (about 21.6 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 | 12 optional remote; no app |
| Efficiency 10% | 78 92% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
Specifications
| Cotek SP-1000-112 | Cotek SP-1500-112 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 1,000 W | 1,500 W |
| Surge power | 1,750 W for 3 s | 2,650 W for 3 s |
| DC input range | 10.5 to 16.5 V | 10.5 to 16.5 V |
| Idle draw | 1.5 A (18 W) | 1.8 A (21.6 W) |
| Power-saving draw | 0.1 A | 0.1 A |
| Peak efficiency | 92% | 91% |
| Connections | ||
| AC outlets | 2 | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | No | No |
| 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 | 200 x 83 x 372 mm (W x H x D) | 248 x 83 x 421 mm (9.76 x 3.27 x 16.57 in) (W x H x D) |
| Weight | 7.2 lb | 9.1 lb |
| Warranty | 2 years | 2 years |