... 1. the thickness is 0.8mm 2.low self discharge 3.size can be customised 4. light ultra thin lithium battery ... 29840922 Specification: Battery TypeAPL02255Nominal Capacity20mAh(@0.2C Discharge )Nominal Voltage 3.7V(@0.2C Discharge )Charging Voltage4.2V±0.5VStandard ChargeCurrent ... .2.Easy customized,Energy density,High capacity.3.super slim design,Ultra-thin Cell, or Thin Cell, as thin as 0.4mm, suitable ...