Lithium Ion Polymer Battery – 3.7v 2500mAh Jan 1, 2019 · AlanLithium Ion Polymer Battery – 3.7v 2500mAhAvailable at Adafruit!By adafruit on 2015-04-20 16:23:40 Category: Flickr About Alan Share to MyPR The one with a bit of a ‘My’ Obsession…..