When it first launched in 1967, the DieHard battery made waves for its efficiency, higher power, and compact nature, which cost Sears a million dollars to bring to life. After half a century of service, Sears did bid adieu to the pioneering DieHard batteries and passed the ownership of the battery brand to Advance Auto Parts in 2019, joining the many underrated tools in its portfolio. 

According to Advance Auto Parts, DieHard AGM batteries are made by Clarios, a globally renowned automotive battery manufacturer that is also behind several other entries in our list of the best car battery brands in the market, such as the AC Delco and Motorcraft. Apart from these, Clarios also works with other premium brands and private labels to offer quality vehicle batteries.

 Based in Glendale, Wisconsin, Clarios is a subsidiary of Brookfield Business Partners, a global investment firm that also prides itself on its various renewable power and transition assets. Knowing this, it's no wonder that Clarios prides itself on its various sustainability initiatives, which include its commitment to recycling car batteries. 

Read More: https://www.slashgear.com/1824727/who-makes-diehard-batteries-where-are-they-made/