As a result, many OEs have chosen to install AGM batteries into their Stop-Start system configurations to withstand the stress caused by the repeated starting and periods of battery only system support during stops that are characteristic of the systems. Stop-Start operation results in deeper discharge of the vehicle’s battery(ies) – some systems use a multi-battery configuration – than does a traditional electrical system design. This includes the usage of AGM batteries in the vast majority of vehicle Stop-Start applications in the North American carpark. Several market forces have combined to drive the growth of AGM battery usage, but in our opinion, the key aspect driving AGM growth is the ability of AGM batteries to better handle deep discharge applications and sustain their performance over time in these applications. Why Has the AGM Battery Become So Popular? So, understanding how to diagnose and service this versatile battery type is increasing important for technicians, repair shops, vehicle owners and anyone who has AGM batteries installed in their equipment In fact, the global market for AGM batteries exceeded $10B in 2020 and is expected to grow to nearly $15B by 2027 (). In the time we have been writing this blog, the AGM battery has significantly increased in popularity, including in new vehicle installations, vehicle replacement battery applications and non-vehicle installations. We have written about the AGM battery on several previous occasions, first introducing it to our audience when very few new vehicles were equipped with them, then addressing some of the unique service aspects of the AGM battery versus the traditional flooded lead acid battery.
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