Replacement cells cover the Apple Watch Series 4, 5, 6 and 8 and the SE, as well as the Samsung Watch 4 Classic, Watch 5 and Watch 5 Pro. Match the case size as well as the series: on Series 5, the 40 mm model takes a 245 mAh battery and the 44 mm model a 296 mAh one. Samsung batteries are listed with the watch code (R880, R910 and so on) and the battery part number, such as EB-BR880ABY, which is the quickest way to confirm fit.
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Frequently asked questions
How do I know which strap width fits my watch?
Does a smartwatch need its own SIM card?
What does a watch's water resistance actually mean?
Replacement cells cover the Apple Watch Series 4, 5, 6 and 8 and the SE, as well as the Samsung Watch 4 Classic, Watch 5 and Watch 5 Pro. Match the case size as well as the series: on Series 5, the 40 mm model takes a 245 mAh battery and the 44 mm model a 296 mAh one. Samsung batteries are listed with the watch code (R880, R910 and so on) and the battery part number, such as EB-BR880ABY, which is the quickest way to confirm fit.