What Is a Maintenance Free Battery?

Answer

A maintenance free battery is simply an electrochemical device that converts chemical energy into electrical energy and that is made using heavier duty materials than conventional batteries. These batteries design is known as lead-calcium and has the advantage of sealing the electrolyte inside the battery case thereby preventing it from leaking or creating fumes outside the battery.
Q&A Related to "What Is a Maintenance Free Battery"
one that is completely sealed, you are unable to check water level.
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1. Open the hood of the vehicle and locate the battery. 2. Turn off the battery charger (if equipped with an on/off switch) and unplug the power to the charger. 3. Connect the red
http://www.ehow.com/how_5717983_charge-maintenance...
Sealed batteries are known as maintenance free batteries. They are made with vents that (usually) cannot be removed. A standard auto or marine maintenance free battery is sealed,
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Low maintenance batteries
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