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A comment on Casio Adds Fitness Features to Original G-Shock Digital Watch. Parent comment

Re:Casio Adds Fitness Features to Original G-Shock Digital W... by pokstad on Monday May 08, 2023 @08:44PM (#35868899)
The solar charging is for Watch functions. The heart rate monitor still requires USB charging to work.
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Re:Casio Adds Fitness Features to Original G-Shock Digital W... by CydeWeys on Monday May 08, 2023 @09:20PM (#35869125)
Does this mean it has two separate batteries, or what? If only one battery, then you could keep it charged up on solar and only occasionally do a HR reading, without ever having to plug it in.

I have a 5610 that I bought recently with the 3495 tough solar module, as context.

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