I still have 12 used D55m Blue top Optimas left, I started with 25. They have had volt blochers on them and were well cared for. They have been sitting unused for several months and voltages are still between 12.60 and 12.70. I'm offering a 1 week money back guarantee if you buy 1 or 2 batteries. They are still under warranty.
$10/each for the 0/4 crimped jumpers.
Local pickup only. These are still covered under the pro-rated warranty, date codes 6/08 - 1/09.