2003 f150 4.2 v6 battery
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My battery is 10 yrs. old Exide as of this past december but i've never had a problem with it till now. In new england, as weather got colder it was harder to get it to start. Regardless of its age, what is the best way to test it without anything more than a multimeter? It charged up to 14.45volts out of truck indoors. Please no offensive comments. Thanks