On Wed, Jan 8, 2014 at 7:11 PM, Josh Koffman wrote: > I have a couple of 12V 7Ah gel cell batteries. They've been sitting > for probably about 3 years. Any thoughts on if they'd still be good? I > need to power a 12V 4A load for about 20 minutes at a time. It should be rather easy to place these under your desired load and measure voltage over time... -p. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .