This Apple Watch (38 mm Series 3 Cellular) replacement battery is what you need to bring your dead smartwatch back to life!
Battery degradation is an inevitable part of your smartwatch's lifespan — extend it with this new replacement battery compatible with the 38 mm Series 3 Cellular Apple Watch model. If your smartwatch won’t turn on, won’t hold a charge, or you simply experience poor battery life, this replacement battery may be what you need to fix it.
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%.
Learn more about safe lithium-ion battery handling and proper disposal.
Apple Watch Series 3
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