DieHard Platinum 6V/12V Battery Charger and Maintainer for $22.99. Order online for in-store pickup at Sears to lock in the price, ensure availability, and save on shipping. Otherwise, shipping is $6.50 for a total of $29.49 shipped. Here is a screenshot for your reference. It features 3 Amp charge, scrolling digital messaging, 5 stage charging process, float-mode monitoring, digital scrolling messaging, and versatile quick-connect harness with three connector options: 50-amp clamps, 12V accessory plug, or permanently attachable ring connectors.