WFCO WF-8955-AD
For an RV whose WF-8900-AD power center has failed or needs lithium support, as an exact fit replacement. Choose the amperage your RV shipped with or one step up.
Amazon $274.99$274.99
The WFCO WF-8955-AD rates 3.1 among panel and drop-in RV converter chargers; the IOTA DLS-55 rates 2.5 among standalone ones. The IOTA DLS-55 costs $33.80 less ($241.19 vs $274.99).
IOTA DLS-55
#13 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 $241.19$241.19
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.
Scores side by side
These two sit in different build classes (panel and drop-in and standalone), and each is scored against the reference points for its own class, so a rating says how well each does among its own build peers. How we rank explains each factor.
| Factor weight | WFCO WF-8955-AD | IOTA DLS-55 |
|---|---|---|
| Overall rating | 3.1/5 | 2.5/5 |
| Value 35% | 28 $5 per amp ($274.99, 55 A) | 36 $4.39 per amp ($241.19, 55 A) |
| Output 10% | 50 55 A | 50 55 A |
| Features 30% | 80 lithium mode, 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
| WFCO WF-8955-AD | IOTA DLS-55 | |
|---|---|---|
| Charging | ||
| Output | 55 A | 55 A |
| Lithium mode | Yes | No |
| Multi-stage charging | Yes | No |
| Build | ||
| Build | Panel or drop-in | Standalone |
| Fan runs only as needed | Yes | Yes |
| Remote or display | No | No |
| Weight | 8.6 lb | 5 lb |
| Warranty | 2 years | 2 years |