Apple Watch Series 4 (40mm) Batteries
2018Wholesale batteries for Apple Watch Series 4 (40mm), 1 option. Tested in Shenzhen, shipped worldwide by DHL, FedEx and UPS.
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Buying batteries for Apple Watch Series 4 (40mm)
Each battery listing gives its capacity and type (standard or high capacity). On iPhone XS and newer, a new battery shows a service message in Settings unless its data is written with a battery programmer.