In December 2018 my son purchased a Grp 51r Bosch AGM 5yr warranty battery from Pep Boys. Unfortunately the battery began failing in October 2019 so he called the Pep Boys where he purchased the battery at and they stated they did not have any of those batteries in stock, nor did any other local stores. They told him that they could exchange the Bosch for a Champion but would not refund the price difference of $45. Turns out the Champ battery had the wrong size posts, so he requested to upgrade to the Optima and he would pay the $30 increase in price and they said "we cant do that", after speaking with the manager he got the same line of garbage and Pep Boys basically told him there was nothing they could do!!!!. Leaving him with at bad battery and a useless warranty. Son called 4 other area Pep Boys and pretty much got the same song and dance until one Pep Boys- (27 miles away) told him that would absolutely help him out and do the exchange for an Optima. While the one Pep Boys salvaged the day, the kind of customer service he experienced will not warrant any return shopping from this family. Note: The boy is 21 years old and I stayed completely out of this so he could gain a little life experience.