Johnson Controls and Exide are the two huge battery makers, and there are a few smaller makers. Both companies produce for many private label retailers and distrubutors, and some companies (Wal*Mart) may switch suppliers from time to time, or may use both suppliers. Both battery makers make a range of qualities, depending on what their wholesale customers want for quality and cost.
Interstate batteries are made by Johnson Controls. So are Costco Kirkland. So are Optima. NAPA are made by Exide, as are Wal*Mart in this region.
I'm going on five years from my Tundra OEM Johnson Controls battery. I'll probably replace it with an 84-month warranty Kirkland battery--half the price or less of an Optima and much more than half the life.
Ken
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You get what you inspect
Not what you expect.
S&S Long Tube Hi-Torque Headers
TRD/Eaton Limited Slip Differential
Gibson exhaust system
Hellwig Rear Antisway Bar
Sylvania Xenarc H.I.D. X1010 Auxiliary Low Beam Driving Lights
Schaeffer Engine Oil, ATF, Differential Oil
Racor LFS22825 full-flow transmission filter
Towing a 21' Bigfoot trailer using a Hensley Arrow hitch, Jordan brake controller, McKesh mirrors
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