For a 50 A coach or a conversion build that needs a whole new distribution panel with a converter that can charge lithium.
Amazon $394.14The Progressive Dynamics PD4560AV is the better RV converter charger overall, rated 2.9 to 2.8. The Progressive Dynamics PD4560AV leads on features and output. The WFCO WF-8955-AD-REP wins on value. The WFCO WF-8955-AD-REP costs $107.18 less ($286.96 vs $394.14).
For an RV with a tired WFCO style power center when you want lithium support but would rather not rewire the breaker panel.
Amazon $286.96Prices 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 PD4560AV for features (lithium mode, multi-stage charging, fan runs only as needed vs lithium mode, multi-stage charging) and output (60 A vs 55 A).
- Choose the WFCO WF-8955-AD-REP for value ($5.22 per amp ($286.96, 55 A) vs $6.57 per amp ($394.14, 60 A)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every panel and drop-in RV converter charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | Progressive Dynamics PD4560AV | WFCO WF-8955-AD-REP |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 35% | 12 $6.57 per amp ($394.14, 60 A) | 26 $5.22 per amp ($286.96, 55 A) |
| Output 10% | 60 60 A | 50 55 A |
| Features 30% | 80 lithium mode, multi-stage charging, fan runs only as needed | 60 lithium mode, multi-stage charging |
| Warranty 25% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Progressive Dynamics PD4560AV | WFCO WF-8955-AD-REP | |
|---|---|---|
| Charging | ||
| Output | 60 A | 55 A |
| Lithium mode | Yes | Yes |
| Multi-stage charging | Yes | Yes |
| Build | ||
| Build | Panel or drop-in | Panel or drop-in |
| Fan runs only as needed | Yes | - |
| Remote or display | No | No |
| Weight | 8 lb | 9.2 lb |
| Warranty | 2 years | 2 years |
