LEAD BATTERY CHEMISTRY EQUALIZATION
The 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. Equalization also 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 is
recommended to equalize battery periodically.
⚫ Starting Equalization
To start the battery equalization function in monitoring LCD setting, start by setting program to 33. Then, you
may apply this function in device by either one of following methods:
1. Setting equalization interval in program 37.
2. Active equalization on demand using program 39.
⚫ When to Equalize
In float stage, when the setting equalization interval (battery equalization cycle) has arrived, the
equalization process is activated immediately, and the controller will enter Equalization stage.
⚫ Equalize charging time and timeout
In Equalize stage, the controller will supply power to charge the battery as much as possible until
battery voltage raises to the battery equalization voltage. Then, a constant-voltage regulation is applied to
maintain battery voltage at the required equalization voltage. The battery will remain in the Equalize stage
until the battery equalize time setting has arrived.
If the battery equalization time has expired while in the equalize stage, and battery voltage does not rise
to the required equalization voltage point, the charge controller will extend the battery equalization
time until battery voltage achieves battery equalization voltage. If battery voltage is still lower than battery
equalization voltage when battery equalization timeout setting is over, the charge controller will stop
equalization and return to float stage.
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