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Frequently Asked Questions for
Industrial Batteries

Q: When should water be added to a battery and how much?

A: One should only add water to a battery after it has been completely recharged. It
is suggested that you look into several pilot cells after each charge. If the water levels are below the plates in one of these cells, check all cells. One should then add just enough water to see water standing over the plates.
Approved tap water, distilled water or deionized water should be used.

Q: How many hours should a battery charge that is run hard every day?

A: A battery that is run for six or more hours every day should be placed on a matching 100% return charger each day. This will allow the battery to be fully charged and ready for the next duty cycle. Do not forget to check the water levels as well.

Q: How often does a battery need charged if it is only run a few hours a month?

A: If the duty cycle of the battery is only a few hours run time a month, it is suggested that the battery be placed on charge no less than once a month. This will keep positive plate sulfation down to a minimum and hopefully keep enough charge on the battery for use when needed. Rule of thumb is for every six to eight hours of run time, charge the battery. Again, do not forget to check for proper water levels after the charge cycle.

Q: Where does the white corrosion on top of a battery come from?

A: This is caused when the battery is over watered or when the water is added to the battery before it is charged or both. The electrolyte is boiled out of the cell which is water and sulfuric acid. This electrolyte, when it comes into contact with the battery steel tray and oxygen will start to corrode. The battery needs to be washed and neutralized. The even bigger problem is the acid loss from the cell. This is a loss of capacity (horse power) from the battery. Acid loss will cause the battery to die early. The battery should be acid adjusted to return it to full power.

Q: What is an equalize charge and when should it be done?

A: This is an extended charge cycle; approximately three hours that will help drive the acid out of the positive plates completely. This should be done every fifth charge cycle if using a standard battery charger. Make sure the water levels are checked after an equalize charge.