Go Power! SSW-1500-12
#19 in 1,100 to 2,000 WFull review
For RVs building around Go Power’s PowerTrak system that want an efficient 1500 W inverter with very low powersave draw.
Amazon $498.87$498.87
The Go Power! SSW-1500-12 is the better 12V inverter overall, rated 3.3 to 2.9. The Go Power! SSW-1500-12 leads on safety listing, idle draw and efficiency. The Giandel GS-1500SCR 1500W Pure Sine wins on value and features. The Giandel GS-1500SCR 1500W Pure Sine costs $312.05 less ($186.82 vs $498.87).
Giandel GS-1500SCR 1500W Pure Sine
#32 in 1,100 to 2,000 WFull review
A well-featured 1500 W unit for RVs with a lithium battery, thanks to GFCI outlets and adjustable cutoff. Switch it off when not in use; its idle draw is high.
Amazon $209.97 Giandel $186.82$186.82
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Go Power! SSW-1500-12 for safety listing (UL Listed (product page); UL 458 mark on the spec sheet vs no UL 458 or UL 1741 listing stated), idle draw (0.8 A idle (about 9.6 W) with nothing plugged in vs 2 A idle (about 24 W) with nothing plugged in) and efficiency (93% peak efficiency (maker rating) vs 91% peak efficiency (maker rating)).
- Choose the Giandel GS-1500SCR 1500W Pure Sine for value ($0.12 per continuous watt vs $0.33 per continuous watt) and features (remote included, display; no app vs optional remote; no app).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1,100 to 2,000 W 12V inverter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Go Power! SSW-1500-12 | Giandel GS-1500SCR 1500W Pure Sine |
|---|---|---|
| Overall rating | 3.3/5 | 2.9/5 |
| Value 30% | 32 $0.33 per continuous watt | 90 $0.12 per continuous watt |
| Idle draw 15% | 80 0.8 A idle (about 9.6 W) with nothing plugged in | 0 2 A idle (about 24 W) with nothing plugged in |
| Safety listing 15% | 100 UL Listed (product page); UL 458 mark on the spec sheet | 0 no UL 458 or UL 1741 listing stated |
| Warranty 15% | 25 2-year warranty | 0 warranty not published, scored as none |
| Features 15% | 12 optional remote; no app | 42 remote included, display; no app |
| Efficiency 10% | 89 93% peak efficiency (maker rating) | 67 91% peak efficiency (maker rating) |
Specifications
| Go Power! SSW-1500-12 | Giandel GS-1500SCR 1500W Pure Sine | |
|---|---|---|
| Output | ||
| Type | Pure sine wave inverter | Pure sine wave inverter |
| Continuous power | 1,500 W | 1,500 W |
| Surge power | 3,000 W for 2 s | 3,100 W for 2 s |
| DC input range | 10.8 to 16 V | 9.8 to 16 V |
| Idle draw | 0.8 A (9.6 W) | 2 A (24 W) |
| Power-saving draw | 0.2 A | - |
| Peak efficiency | 93% | 91% |
| Connections | ||
| AC outlets | - | 2 |
| GFCI outlets | Yes | Yes |
| Hardwire terminal | No | - |
| USB ports | None | 1 |
| Transfer switch | No | No |
| Parallel units | No | No |
| Control and build | ||
| Remote | Optional extra | Included |
| App | No | No |
| Display | No | Yes |
| Safety listing | UL Listed (product page); UL 458 mark on the spec sheet | No |
| Dimensions | 385 x 228 x 104 mm (15.2 x 9.0 x 4.1 in) | - |
| Weight | 12.9 lb | - |
| Warranty | 2 years | - |
| Released | 2025-02 | 2024-12 |