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Optima AGM, Duralast, Everstart, Diehard, SuperStart, and Autocraft car batteries were tested for internal resistance, cranking amps, charge rate, and cold-cranking amps.
[More…] How To & DIY
Stacey David walks you through different ways you can wire dual batteries in your vehicle: Parallel vs Series
[More…] How To & DIY
Jeremy demonstrates several methods for soldering large ring terminals onto heavy-gauge battery cable..
[More…] Technical Info
There are two common types of batteries: lead-acid and deep cycle batteries. What is exactly is the difference, and what are they used for?
[More…] Automotive Basics
This alternator works together with the battery to supply power when the vehicle is running. Here’s how to test and troubleshoot.
[More…] Technical Info
When upgrading an alternator, also upgrade the wire gauge that charges the battery as well as the fusible link in case of a short.
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