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The automotive battery industry has undergone some significant corporate structure changes in the past couple decades resulting in those old company names we knew in the market now either renamed or out of the game altogether. When shopping for an automotive battery you are presented with many company names, however, they are names only! Only a small handful (count on one hand) group of companies actually manufacture the majority of automotive batteries in the world. It is good to know who makes the battery you are going to place in your automobile, since the quality from one manufacturer to the next varies. The automotive battery industry has undergone some significant corporate structure changes in the past couple decades resulting in those old company names we knew in the market now either renamed or out of the game altogether. When shopping for an automotive battery you are presented with many brand names printed on the face of the battery and you should know that those brand names are relatively meaningless. Only a small handful (count on one hand) group of companies actually manufacture the majority of automotive batteries in the world. It is good to know who makes the battery you are going to place in your automobile, since the quality from one manufacturer to the next varies. The <big>Big Three</big> Automotive lead-acid battery manufacturers are (1) Clarios/Johnson Controls, (2) Exide, and (3) East Penn. Of the three, our recommendation is to avoid batteries made by Exide as they seem to have the lowest overall quality.