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This means when the car or truck is parked for an extended time, all of the combined energy needed by computers/sensors will not discharge the AGM battery as soon as a traditional flooded cell battery. A fully charged car/truck battery will be about 2.2 volts per cell x 6 cells = 12.6 volts. A 100% discharged battery is 1.75 volts per cell or 10.75 volts.
Often a customer returns with a battery from a German car that has been parked and the battery will have a resting voltage of less than 9 volts. The owner has the option of driving (not just starting and running engine for a few minutes) the car more frequently, using a battery maintainer or purchasing an AGM battery.
Read full articleJohn Stewart Managing Editor - 4x4Voice - 4x4Wire - MUIRNet.net Natural Resources Consultant - California Four Wheel Drive Association - http://www.cal4wheel.com Board of Directors - BlueRibbon Coalition http://www.sharetrails.org
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