A compact, light inverter-charger for vans and small RVs that plug into shore power and run on lithium. It costs much less than Victron or Xantrex units with similar features.
Amazon $469.99The Renogy 2000W HF Inverter Charger rates 3.9 among inverter-chargers 12V inverters; the Go Power! ASW-1800-12-TS rates 3.0 among 1,100 to 2,000 W ones. The Renogy 2000W HF Inverter Charger costs $151.28 less ($469.99 vs $621.27).

For RVs that already have a converter or solar charging and want an inverter with a built-in transfer switch.
Amazon $621.27Prices 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 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 | Renogy 2000W HF Inverter Charger | Go Power! ASW-1800-12-TS |
|---|---|---|
| Overall rating | 3.9/5 | 3.0/5 |
| Value 30% | 100 $0.23 per continuous watt | 29 $0.34 per continuous watt |
| Idle draw 15% | 93 1 A idle (about 12 W) with nothing plugged in | 0 2 A idle (about 24 W) with nothing plugged in |
| Safety listing 15% | 0 no UL 458 or UL 1741 listing stated | 100 Certified UL 458; cULus certified |
| Warranty 15% | 25 2-year warranty | 25 2-year warranty |
| Features 15% | 92 remote included, app, lithium charge profile, display | 52 optional remote, transfer switch, hardwire terminal; no app |
| Efficiency 10% | 56 90% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
Specifications
| Renogy 2000W HF Inverter Charger | Go Power! ASW-1800-12-TS | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter-charger | Pure sine wave inverter |
| Continuous power | 2,000 W | 1,800 W |
| Surge power | 4,000 W for 100 ms | 3,600 W for 3 s |
| DC input range | 10.5 to 16.5 V | 10 to 16.5 V |
| Idle draw | 1 A (12 W) | 2 A (24 W) |
| Power-saving draw | - | 0.1 A |
| Peak efficiency | 90% | 91% |
| Connections | ||
| AC outlets | - | 0 |
| GFCI outlets | - | No |
| Hardwire terminal | - | Yes |
| USB ports | - | None |
| Transfer switch | Yes | Yes |
| Charger | 80 A | - |
| Lithium charge profile | Yes | - |
| Parallel units | - | No |
| Control and build | ||
| Remote | Included | Optional extra |
| App | Built in | No |
| Display | Yes | No |
| Safety listing | No | Certified UL 458; cULus certified |
| Dimensions | 15.3 x 11.3 x 4.3 in | 253 x 86 x 376 mm (9.96 x 3.39 x 14.80 in) |
| Weight | 13 lb | 9.7 lb |
| Warranty | 2 years | 2 years |