Battery degradation is an inevitable part of your smartwatch's lifespan. Extend it with this new replacement battery compatible with Apple Watch (42 mm Original and Series 1).
For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.
This new replacement battery will only fit in the 42 mm Original or Series 1 Apple Watch.
Battery adhesive is not included.
Learn more about safe lithium-ion battery handling and proper disposal.
Apple Watch
Apple Watch Series 1
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