Progressive Dynamics PD9380V
#3 in StandaloneFull review
The pick for an RV owner who wants a lithium ready deck mount converter with a remote pendant in the box. Its 80 A output suits a big lithium bank.
Amazon $290$290
The Progressive Dynamics PD9380V is the better RV converter charger overall, rated 3.7 to 3.0. The Progressive Dynamics PD9380V leads on features and value. The Progressive Dynamics PD9380V costs $89.99 less ($290 vs $379.99).
IOTA DLS-90/IQ4
#11 in StandaloneFull review
A rugged, regulated converter for owners who value clean DC power and want to add the right charge controller themselves. The built in IQ4 makes it a complete lead acid charger.
Amazon $379.99$379.99
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 Progressive Dynamics PD9380V for features (lithium mode, multi-stage charging, fan runs only as needed, remote or display vs multi-stage charging, fan runs only as needed) and value ($3.62 per amp ($290, 80 A) vs $4.22 per amp ($379.99, 90 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 | Progressive Dynamics PD9380V | IOTA DLS-90/IQ4 |
|---|---|---|
| Overall rating | 3.7/5 | 3.0/5 |
| Value 35% | 47 $3.62 per amp ($290, 80 A) | 38 $4.22 per amp ($379.99, 90 A) |
| Output 10% | 100 80 A | 100 90 A |
| Features 30% | 100 lithium mode, multi-stage charging, fan runs only as needed, remote or display | 40 multi-stage charging, fan runs only as needed |
| Warranty 25% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Progressive Dynamics PD9380V | IOTA DLS-90/IQ4 | |
|---|---|---|
| Charging | ||
| Output | 80 A | 90 A |
| Lithium mode | Yes | No |
| Multi-stage charging | Yes | Yes |
| Build | ||
| Build | Standalone | Standalone |
| Fan runs only as needed | Yes | Yes |
| Remote or display | Yes | No |
| Weight | 6 lb | 7.8 lb |
| Warranty | 2 years | 2 years |