Jim,

This is a good article and it brings up a good point - most garage battery
testers only test CCA and not reserve capacity.

Considering the relatively low cost of car batteries, I believe the best
answer is to replace your starting battery every 3 years regardless.

Thanks, Tom Hargrave
www.stir-plate.com
www.towercooler.com
www.kegkits.com

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Jim Arnott
Sent: Friday, August 12, 2011 9:17 PM
To: vanagon@gerry.vanagon.com
Subject: Battery testing solution

"The purpose of battery testing is to estimate the end of battery
life. Automotive technicians are most familiar with CCA, a measurement
that reflects engine cranking but does not always predict the end of
battery life correctly. The leading health indicator of a battery is
capacity. So we ask, "At what capacity should the battery be replaced?""

http://www.ecnmag.com/Articles/2011/04/Design-Talk/Battery-Testing-at-Garage
s-Simplified/

Go check out the article. See what $3k+ gets you....

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