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GENERAL INFORMATION:
B) Constant Charging
When the battery voltage reaches the constant voltage set point, the
controller will start to operate in constant charging mode. The MPPT
charging stops during this process, and the charging current will drop
gradually at the same time. Constant charging has two stages, namely,
equalize charging and boost charging. These two charging processes are
not repeated. Among them, equalize charging starts on the 28th of
each month.
• Boost Charging
The default duration of the boost charging stage is generally 2 hours.
Customers can also adjust the constant time and preset value according to
actual needs. When the duration is equal to the set value, the system will
switch to the oat charging stage.
• Equalize Charging
WARNING
Explosive Risk! Equalizing flooded batteries would produce
explosive gases, so well ventilation of the battery box is
recommended.
CAUTION
• Equipment damage!
• Equalization may increase battery voltage to the level that
damages sensitive DC loads. Verify that the load s allowable
input voltages are greater than the equalising charging
setpoint voltage.
• Over charging and excessive gas precipitation may damage
the battery plates and activate material shedding on them.
Too high an equalize charging or for too long may cause
damage. Please carefully review the specific requirements of
the battery used in the system.
Some battery types benet from equalizing charging, stirring electrolytes,
balancing battery voltage, and accomplishing chemical reactions. Equalize
charging increases the battery voltage to make it higher than the standard
complement voltage, gasifying the battery electrolyte.
If the controller automatically controls the next charge for equalizing
charging, the equalizing charging time is 120 minutes. Equalize charge
and boost charge are not carried out constantly in a full charge process to
avoid too much gas precipitation or overheating of the battery.
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