... warranty 4.OEM&ODM is available specifications of ultra-thin battery Norminal Capacity260mAhNorminal Voltage3.7VChargeCurrentMax.1cVoltageMax.4. ... thin as 0.4mm,suitable for smart security cards one-time use devices ,asset tracking ... Support Thickness could ... focus on the lithium battery,li-polymer battery ,lithiumbatterypack ,ultra-thin battery ,shaped battery ,triangle shape battery ,irregular ...