An easy drop in for an RV that already has a WFCO 9800 deck mount, with lithium detection built in. A safe default for a typical trailer.
Amazon $239.99The WFCO WF-9845-AD is the better RV converter charger overall, rated 3.0 to 2.7. The WFCO WF-9845-AD leads on features. The Go Power GPC-45-MAX wins on value. The Go Power GPC-45-MAX costs $48 less ($191.99 vs $239.99).
A straightforward lead acid converter charger for a trailer that will keep its flooded or AGM batteries.
Amazon $191.99Prices 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-9845-AD for features (lithium mode, multi-stage charging, fan runs only as needed vs multi-stage charging, fan runs only as needed).
- Choose the Go Power GPC-45-MAX for value ($4.27 per amp ($191.99, 45 A) vs $5.33 per amp ($239.99, 45 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 | WFCO WF-9845-AD | Go Power GPC-45-MAX |
|---|---|---|
| Overall rating | 3.0/5 | 2.7/5 |
| Value 35% | 24 $5.33 per amp ($239.99, 45 A) | 38 $4.27 per amp ($191.99, 45 A) |
| Output 10% | 30 45 A | 30 45 A |
| Features 30% | 80 lithium mode, multi-stage charging, fan runs only as needed | 40 multi-stage charging, fan runs only as needed |
| Warranty 25% | 25 2-year warranty | 25 2-year warranty |
Specifications
| WFCO WF-9845-AD | Go Power GPC-45-MAX | |
|---|---|---|
| Charging | ||
| Output | 45 A | 45 A |
| Lithium mode | Yes | No |
| Multi-stage charging | Yes | Yes |
| Build | ||
| Build | Standalone | Standalone |
| Fan runs only as needed | Yes | Yes |
| Remote or display | No | No |
| Weight | 5.2 lb | 5 lb |
| Warranty | 2 years | 2 years |
