I just ran across something that may be useful for folks replacing/upgrading batteries:<br/><br/>Convert Reserve Capacity to Amp Hours<br/><br/>It seems more battery specs list Reserve Capacity now instead of the old familiar Amp-Hours. For example for the NAPA 8D Gel Battery:<br/><br/>475 Reserve Capacity (minutes) x 60 = 28,500 seconds x 25 amps = 712,500 coulombs of charge.<br/>712,500 coulombs /...