F3 Series Charger Manual
17
Appendix
Diagram of Automatic Boost Operation (Optional Feature)
Boost v oltage
Float v oltage
Point at which charger changes
f rom current limit to v oltage limit
Point at which AUTOBOOST
returns charger to f loat v oltage
100% charger
output current
50% to 75% of
charger current limit
Amps
Volts
Charger output current
Battery voltage
NOTE:
Zero current f low
0
Time
When the charger switches f rom BOOST to FLOAT mode,
no current will f low into the battery f or a while due to the battery 's
high state of charge.
This is completely normal, and indicates
that the charger is working properly.
