dilbert3703 wrote: There are three companies in the U.S. that make almost all auto/truck batteries: Exide, Johnson Controls, and East Penn. Here’s an interesting Web site for info on who makes what: http://www.batteryfaq.org/
When buying batteries for your vehicle look for three things.
First, the BCI group size. Many Fords take Group Size 65. GM’s may take a Group Size 78.
Second, the cold cranking amps. Don’t get anything less than what’s required by your engine, and don’t buy a battery with more than 100 CCAs over what you need (it’s a waste).
Third, the warranty. Buy the battery with the longest free replacement and pro-rated warranty you can.
If your vehicle uses two starting batteries, as do many diesel trucks, you should replace both batteries at the same time. If you don’t, the older batter will be weaker than the new battery and drag it down.
I agree with Dilbert 3703. Seven years is a rather good lifespan for batteries. As noted, some people do better. My past history is that my batteries fail at the most inconvenient time, when I am out in the boondocks, or out of town. If it were me, I would replace both of them. I would do this a couple weeks prior to an out of town trip just in case one or both were defective.
Phil
Nash 27 T pulled by a 2008 EC LB GMC 3500HD SLT 4x4 DMAX and Allison.
I just replaced an 8 yr old battery in my C2500 chev. Emplyees called to say the battery was dead, after someone, whom shall remain nameless, used it for his daughters driving test, and the lights were left on when it was parked..............any way, 8 yrs, 45K miles, what the hey, they did fine. Usually get 5-7 yrs on a good battery.
marty
05 Chev CC D/A LS Dooley
92 Navistar dump truck, 7.3L 7 sp, 4.33 gears with a Detroit no spin
00 Chev C2500, V5700, 4L80E, 4.10, base truck, no options!
92 Red-e-haul 12K equipment trailer
3 Single axle utility trailers
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