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OPERATIONAL FEATURES
Converter Operation Modes
ree-Stage Smart Charging
e three-stage “smart” charger continuously measures the battery voltage output and regulates
the amount of charge using three modes of operation; Absorption, Bulk, and Float.
3-Stage Charging
WFCO converters of every style have become the favored brand for power conversion and
electric distribution in the RV industry. ey provide RV owners wth an ecient and cost-
eective method to use an AC power source and provide power to DC components inside the
RV, while charging accessory batteries at the same time.
Smart Engineering: ree Stage Charging is Better
WFCO’s automatic three-stage converters handle every charging need for the RV while
extending the battery’s life. Well-maintained batteries should never need more than two-stage
(Normal and Trickle) charging. Our third stage (Bulk) is provided for the rare times a battery
needs extra power for charging.
RVs are frequently sold with at least one 12 VDC accessory battery installed. is battery is
normally a deep-cycle battery that has the ability to sustain a slower drain of power. RV owners
nd this useful when powering loads such as lights, radios, and refrigerators without being
connected to AC power or running the motorhome engine. As soon as the RV is connected to
AC power, the converter begins charging the battery as needed, while, at the same time,
providing 12 VDC power to loads such as lights, radios, and refrigerators.
When the RV is connected to AC power, users frequently use the lights, refrigerators, fans,
and other electronics as they would in their home. RV users also expect the battery to be fully
charged when they want to disconnect from power and move the RV, or when they are dry
camping and turn o their generator.
Figure 3
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