A review of rechargeable batteries for portable electronic devices - Liang - 2019 - InfoMat - Wiley Online Library
Lights of the charge brigade: Batteries that will give wearables stamina and style - Wareable
Fitbit recalls smartwatches with batteries that can overheat and burn the user : NPR
TicWatch Pro 3 Ultra GPS Smartwatch Qualcomm SDW4100 and Mobvoi Dual Processor System Wear OS Smart Watch for Men&Women Blood Oxygen IHB AFiB Detection Fatigue Assessment 3-45 Days Battery NFC Mic :