Studer Innotec SA
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Technical user manual V1.3 © Studer-Innotec SA 105
2. Floating phase
When the battery is charged, a constant voltage is applied to the battery to keep it full and
compensate his self-discharge.
3. Equalization phase
Some types of battery need equalization in order to avoid the stratification of the water and
acid they contain.
This phase is allowed only for flooded/wet batteries with liquid electrolyte. During this phase,
the charging voltage target is temporarily higher. It allows, on one hand, to equalize the
electrolyte density (stratification control) and, on the other hand, to equalize the voltage
among the cells in series/parallel of the battery bank. During this process, the charging current
can be limited by parameter “equalization current”.
By default, the equalization phase is forbidden because it is incompatible with gel and AGM
batteries and these are the most used batteries in the field. It can be activated/deactivated
by the dedicated parameter in the battery cycle settings.
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