Go Power! GP-IC-3000-12
#26 in Inverter-chargersFull review
For 50 A RVs that want an inverter-charger able to pass both shore power legs through.
Amazon $2,040.98$2,040.98
The Go Power! GP-IC-3000-12 rates 3.3 among inverter-chargers 12V inverters; the Go Power! GP-ISW3000 rates 2.0 among over 2,000 W ones. The Go Power! GP-ISW3000 costs $912.03 less ($1,128.95 vs $2,040.98).
Go Power! GP-ISW3000
#23 in Over 2,000 WFull review
For RVs that hardwire a 3,000 W inverter into a subpanel. Same hardware as the Cotek SP-3000-112.
Amazon $1,128.95$1,128.95
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 (inverter-chargers 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 | Go Power! GP-IC-3000-12 | Go Power! GP-ISW3000 |
|---|---|---|
| Overall rating | 3.3/5 | 2.0/5 |
| Value 30% | 43 $0.68 per continuous watt | 8 $0.38 per continuous watt |
| Idle draw 15% | 50 2.1 A idle (about 25 W) with nothing plugged in | 0 3.8 A idle (about 45.6 W) with nothing plugged in |
| Safety listing 15% | 100 UL certified to 458 & 1741 (with Marine Supplement) and to CSA C22.2 No. 107.1-01 | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 50 3-year warranty | 25 2-year warranty |
| Features 15% | 28 optional remote, hardwire terminal; no app | 28 optional remote, hardwire terminal; no app |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 56 90% peak efficiency (maker rating) |
Specifications
| Go Power! GP-IC-3000-12 | Go Power! GP-ISW3000 | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter |
| Continuous power | 3,000 W | 3,000 W |
| Surge power | 6,000 W for 100 ms | 6,000 W |
| DC input range | 9 to 17 V | 10.5 to 16.5 V |
| Idle draw | 2.1 A (25 W) | 3.8 A (45.6 W) |
| Power-saving draw | 0.4 A | 0.4 A |
| Peak efficiency | 90% | 90% |
| Connections | ||
| AC outlets | 0 | 0 |
| GFCI outlets | No | No |
| Hardwire terminal | Yes | Yes |
| USB ports | None | None |
| Transfer switch | Yes | No |
| Charger | 125 A | - |
| Lithium charge profile | No | - |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Optional extra |
| App | No | No |
| Display | No | No |
| Safety listing | UL certified to 458 & 1741 (with Marine Supplement) and to CSA C22.2 No. 107.1-01 | No |
| Cooling | fan | load-controlled fan |
| Dimensions | 349 x 321 x 205 mm | 442 x 255 x 158 mm (17.40 x 10.04 x 6.22 in) |
| Weight | 38.7 lb | 18.1 lb |
| Warranty | 3 years | 2 years |