Thor Forums

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Originally Posted by Long & Winding road

I believe the OEM WFCO converts are single stage but they charge at like 13.6 vs 14.4? But perhaps they are TWO stage (13.6 charge, 13.2 maintain??)

At least that what this forum lead me to believe - I never did research the WFCO converter.

Or Perhaps they break a lot?

Mine is working fine (I think) but it seems like it was always at 13.6 - 13.8 range when I check it with my multi meter. I will test it before I put in the new PD4655 in the next week or two (if it warms up some) and post my finding.

All I know is I dont trust it with my new batteries (well 8 mo old now) so im replacing it soon with PD4655. Plus I like to know (by the blinking lights) the charge status and I can put on Boost mode manually if I need a quck charge for some reason.

Sorry you were misinformed. Trying to break that cycle:

WFCO’s THREE STAGE converter handles every charging need for your RV

AND TWO STAGES DOES THE JOB!

1. NORMAL MODE (Absorption) powers all DC loads, and keeps the battery charged.

2. TRICKLE MODE (Float) is initiated when there is no significant change in current draw for 44 continuous hours, keeping the battery charged while prolonging its life.

3. FAST CHARGE MODE (Bulk) kicks in to charge the battery if it’s significantly discharged due to improper maintenance, long term storage, or significantly heavy system overloads. Bulk mode is maintained for 4 hours (max.) to prevent possible battery damage.

Normal and Trickle Modes are the only charging modes your battery should ever require when you properly maintain your battery. The WFCO Normal Mode is a powerhouse, capable of charging a fully-discharged battery in under 3 hours. Trickle Mode will keep the battery safely charged when your RV is not in use.

Some RV and battery manufacturers believe high-voltage charging can potentially damage the battery if not absolutely required. The WFCO Fast Charge (Bulk) Mode is provided for the rare times a battery needs extra power for charging.