40mAh 3.6v button cell battery packs 1)3.6V 40mAh 2)No leakage ... )Quick delivery 4)Long cycle life 40mAh 3.6v button cell battery packs1. High capacity, low inner resistance, long cycle life, low ... capacity, steady discharge and high temperature discharge.6. Customized sizes, packs, tags, labels, plugs, connectors, over current protection, temperature control protection is ...