Battery Equalization
Equalization function is added into charge controller. It reverses the buildup of negative chemical effects like
stratification, a condition where acid concentration is greater at the bottom of the battery than at the top.
Equalizationalso helps to remove sulfate crystals that might have built up on the plates. If left unchecked, this
condition, called sulfation, will reduce the overall capacity of the battery. Therefore, it‟s recommended to equalize
battery periodically.
How to Apply Equalization Function
You must enable battery equalization function in monitoring LCD setting program 23 first. Then, you may apply this
function in device by either one of following methods:
1. Setting equalization interval in program 27.
2. Active equalization immediately in program 28.
When to Equalize
In float stage, when the setting equalization interval (battery equalization cycle) is arrived, or equalization is active
immediately, the controller will start to enter Equalize stage.
Equalize charging time and timeout
In Equalize stage, the controller will supply power to charge battery as much as possible until battery voltage raises
to battery equalization voltage. Then, constant-voltage regulation is applied to maintain battery voltage at the
battery equalization voltage. The battery will remain in the Equalize stage until setting battery equalized time is
arrived.
However, in Equalize stage, when battery equalized time is expired and battery voltage doesn‟t rise to battery
equalization voltage point, the charge controller will extend the battery equalized time until battery voltage achieves
battery equalization voltage. If battery voltage is still lower than battery equalization voltage when battery
equalized timeout setting is over, the charge controller will stop equalization and return to float stage.
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