For RVs that already have a converter or solar charging and want an inverter with a built-in transfer switch.
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Every Go Power! ASW model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Go Power! ASW-1200-12-TS | 1,200 W | 3.1/5 | $398.74 |
| Go Power! ASW-1800-12-TS (this one) | 1,800 W | 3.0/5 | $621.27 |
| Go Power! ASW-3000-12-TS | 3,000 W | 3.0/5 | $941.57 |
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.
| Model number | ASW-1800-12-TS |
|---|---|
| Output | |
| Type | Pure sine wave inverter |
| Continuous power | 1,800 W |
| Surge power | 3,600 W for 3 s |
| DC input range | 10 to 16.5 V |
| Idle draw | 2 A (24 W) |
| Power-saving draw | 0.1 A |
| Peak efficiency | 91% |
| Connections | |
| AC outlets | 0 |
| GFCI outlets | No |
| Hardwire terminal | Yes |
| USB ports | None |
| Transfer switch | Yes |
| Parallel units | No |
| Control and build | |
| Remote | Optional extra |
| App | No |
| Display | No |
| Safety listing | Certified UL 458; cULus certified |
| Dimensions | 253 x 86 x 376 mm (9.96 x 3.39 x 14.80 in) |
| Weight | 9.7 lb |
| Warranty | 2 years |
A low-cost 2000 W inverter with a hardwire terminal for DIY van and cabin builds. It lacks a safety listing and wastes power at idle, so switch it off between uses.
Amazon $229.95 Giandel $219.85A cheap small inverter for a van or camper that comes with app monitoring and GFCI outlets. Skip it if you need a UL listing.
Amazon $179.99 ECO-WORTHY $179.99A plug-in 2000 W inverter for campers who want GFCI outlets and two remotes. Pick the PS-2000SDR instead if you need to hardwire it.
Amazon $249.95 Giandel $238.82Compare the Go Power! ASW-1800-12-TS with any other 12V inverter →
More from Go Power!: every Go Power! product ranked.
