Go Power GPC-45-MAX
#12 in StandaloneFull review
A straightforward lead acid converter charger for a trailer that will keep its flooded or AGM batteries.
Amazon $191.99$191.99
The Go Power GPC-45-MAX is the better RV converter charger overall, rated 2.7 to 2.0. The Go Power GPC-45-MAX leads on value, features and output. The Go Power GPC-45-MAX costs $25.29 less ($191.99 vs $217.28).
IOTA DLS-30
#15 in StandaloneFull review
A rugged, regulated converter for owners who value clean DC power and want to add the right charge controller themselves. Budget for an IQ controller if you want real battery charging.
Amazon $217.28$217.28
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 GPC-45-MAX for value ($4.27 per amp ($191.99, 45 A) vs $7.24 per amp ($217.28, 30 A)), features (multi-stage charging, fan runs only as needed vs fan runs only as needed) and output (45 A vs 30 A).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every standalone RV converter charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | Go Power GPC-45-MAX | IOTA DLS-30 |
|---|---|---|
| Overall rating | 2.7/5 | 2.0/5 |
| Value 35% | 38 $4.27 per amp ($191.99, 45 A) | 6 $7.24 per amp ($217.28, 30 A) |
| Output 10% | 30 45 A | 0 30 A |
| Features 30% | 40 multi-stage charging, fan runs only as needed | 20 fan runs only as needed |
| Warranty 25% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Go Power GPC-45-MAX | IOTA DLS-30 | |
|---|---|---|
| Charging | ||
| Output | 45 A | 30 A |
| Lithium mode | No | No |
| Multi-stage charging | Yes | No |
| Build | ||
| Build | Standalone | Standalone |
| Fan runs only as needed | Yes | Yes |
| Remote or display | No | No |
| Weight | 5 lb | 4.5 lb |
| Warranty | 2 years | 2 years |