331030 3.7v 70mah, lithium ion polymer battery cert: un, ul, cb, sds Excellent cost performance and long cycle life, more than 500 times cycle life , thin, small, can add pcm for protection. High operating voltage of 3.7v and energy density. Stable discharge under various environmental temperature conditions.Environmentally friendly Applications: smart wearable devices, bluetooth headsets, aninal trackers, etc. We have more than 1000 models. For the same mould, the thickness can be adjust to reach different capacities, while the width and length keep the same.
