Equalize
WARNING: Risk of explosion! Equalizing flooded batteries can
produce explosive gases, so a well-ventilated battery box is necessary.
NOTE: Equipment damage! Equalization may increase battery
voltage to a level damaging to sensitive DC loads. Ensure that all load
allowable input voltages are greater than the equalizing charging set point
voltage.
NOTE: Equipment damage! Over-charging and excessive gas
precipitation may damage the battery plates and activate material shedding
on them. Too high an equalizing charge or for too long may cause damage.
Please carefully review the specific requirements of the battery used in the
system.
Certain types of batteries benefit from periodic equalizing charge, which can stir
the electrolyte, balance battery voltage and complete chemical reaction.
Equalizing charge increases the battery voltage, higher than the standard
complement voltage, which gasifies the battery electrolyte.
If it detects that the battery is being over discharged, the solar controller will
automatically turn the battery to equalization charging stage, and the equalization
charging will be 120 minutes. Equalizing charge and boost charge are not carried
out constantly in a full charge process to avoid too much gas precipitation or
overheating of battery.
4.3 LED Indications
Figure 4-3 Charge controller LED indicators
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