<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">To all, <div class=""><br class=""></div><div class="">Taking your collective advice, I have been testing a sealed lead acid battery with my cellular data logger. It has been dutifully sending updates to Ubidots hourly for almost three weeks now. Here is a <a href="http://app.ubidots.com/ubi/getchart/page/fwweXqpV5QlRbiZ8nzEvou4nNi8" class="">link to the current voltage</a> of the <a href="http://www.amazon.com/UPG-UB1280I-Sealed-Lead-Batteries/dp/B0009GIKNE/ref=sr_1_1?ie=UTF8&qid=1432943993&sr=8-1&keywords=UPG+UB1280I+Sealed+Lead+Acid+Batteries" class="">12V battery</a> that has been running things.</div><div class=""><br class=""></div><div class="">The question is, when do I stop the test? I have read different articles stating that these batteries should be discharged only to 11.9V (but, this is a 12V battery - albeit one that started at 13.1V at full charge) and others that say that a full discharge is OK as long as you recharge the battery quickly. </div><div class=""><br class=""></div><div class="">Any advice would be appreciated.</div><div class=""><br class=""></div><div class="">Thanks, </div><div class=""><br class=""></div><div class="">Chip</div><div class=""><br class=""></div><div class="">P.S. - the <a href="https://twitter.com/chipmc86/status/604435703653658625" class="">LiPo Solar version </a> s now ready to make it’s public debut on the Greenway trails. </div></body></html>