WFCO WF-8955-AD-REP
For an RV with a tired WFCO style power center when you want lithium support but would rather not rewire the breaker panel.
Amazon $286.96$286.96
The WFCO WF-8955-AD-REP is the better RV converter charger overall, rated 2.8 to 2.4. The WFCO WF-8955-AD-REP leads on features. The WFCO WF-8955-AD-REP costs $17.25 less ($286.96 vs $304.21).
Progressive Dynamics PD4655V
A proven fix for a dead converter in an older Parallax, Magnetek or WFCO power center that still runs lead acid batteries.
Amazon $304.21$304.21
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 WFCO WF-8955-AD-REP for features (lithium mode, multi-stage charging vs multi-stage charging).
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 | WFCO WF-8955-AD-REP | Progressive Dynamics PD4655V |
|---|---|---|
| Overall rating | 2.8/5 | 2.4/5 |
| Value 35% | 26 $5.22 per amp ($286.96, 55 A) | 22 $5.53 per amp ($304.21, 55 A) |
| Output 10% | 50 55 A | 50 55 A |
| Features 30% | 60 lithium mode, multi-stage charging | 20 multi-stage charging |
| Warranty 25% | 25 2-year warranty | 25 2-year warranty |
Specifications
| WFCO WF-8955-AD-REP | Progressive Dynamics PD4655V | |
|---|---|---|
| Charging | ||
| Output | 55 A | 55 A |
| Lithium mode | Yes | No |
| Multi-stage charging | Yes | Yes |
| Build | ||
| Build | Panel or drop-in | Panel or drop-in |
| Remote or display | No | No |
| Weight | 9.2 lb | 10 lb |
| Warranty | 2 years | 2 years |