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Here is the description form the Trojan Battery User Guide - caps on tight.


4.4.3 Equalizing (deep-cycle flooded/wet batteries only)








Equalizing is an overcharge performed after fully charging deep-cycle flooded/wet batteries. An


equalizing charge prevents battery stratification and reduces sulfation which are leading causes of


battery failure. Trojan recommends equalizing every 30 days or when batteries have a low specific


gravity reading after fully charging, below 1.235, or have a wide ranging specific gravity of >0.030 points


between cells. Reference Section 8.3 for instructions on specific gravity measurement.






Deep-cycle AGM or gel batteries should NEVER be equalized.








Equalization can be performed either automatically (as programmed on the charger) or by following the


procedure below:






îî Check the battery’s electrolyte level in each cell to make sure the plates are covered before charging.


îî Check that all vent caps are secured properly on the battery before charging.


îî Set charger to equalizing mode.


îî The batteries will gas (bubble) during the equalization process.


îî Measure the specific gravity every hour. Refer to Table 7 for specific gravity and voltage








measurements. Discontinue the equalization charge when the specific gravity no longer rises.






WAR N I N G Do not equalize deep-cycle AGM or gel batteries.