The regular Apple Watch usually lasts one day. An additional battery for the wrist should help.

Check out the the LISEN Ultra Slim MagSafe Power Bank, a 0.3-inch thin, pocket-friendly charger offering fast, reliable power ...

The Anker Power Bank (25K, 165W, Built-In and Retractable Cables) is priced at $99.99 / £89.99. For a high-capacity battery ...

take the Mac in for service. Issues with the battery can usually be fixed by resetting the SMC. Once you do that, make sure that you have the original charging or power accessories, and you will ...