The Apple Watch may be good looking and powerful, but it could always be improved in the battery department. It might take Apple some time to address that issue. You can use these Apple Watch battery extenders to keep your smartwatch running for longer:
wiPowerBand: protects your Apple Watch and extends its battery life. You can charge it using a Lightning cable.
Reverse Strap: designed to extend your Apple Watch’s battery life by up to 125%. It has a 400 mA battery.
Pod for Apple Watch: a portable battery extender with a 1800 mAh battery and Type A and Type C USB ports to charge your Apple Watch and other comparable devices. You can pre-order yours for under $60.
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