Three charging stages are all that’s needed

WFCO’s automatic three-stage converters handle every charging need for the RV while extending the battery’s life. In fact, well-maintained batteries should normally never need more than WFCO’s two-stage (Normal and Trickle) charging modes. Our Fast Charge third stage (Bulk) is for the rare times a battery needs extra power charging.

 The WFCO Normal (Absorption) Mode alone is a powerhouse, capable of charging a fully discharged battery in under three hours at 13.6 Volts. When the RV is being used, the battery is kept readily charged in Normal Mode.

However, if the converter detects no significant 3-Stage-chargingvariation in current draw for approximately 44 continuous hours, our Trickle (Float) Mode automatically kicks in and brings the battery back to full charge. Maintaining full charging in this manner helps prevent stratification of the battery’s fluids.

For those cases when the battery charge drops significantly due to prolonged disuse, poor maintenance, or significantly heavy system overloads, our 14.4 Volt Fast Charge (Bulk) Mode kicks in. Our Fast Charge delivers a maximum four-hour charge in order to prevent battery damage and extend the life of the battery.

So be assured, whenever you install any WFCO converter or power center, your customers are getting the best battery charging care available.

Click to see WFCO’s comprehensive “Theory of Operation” for more details.