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SanDisk Senior User
panda1212
Posts: 118
Registered: ‎05-26-2012

sansa e250

‎01-11-2019 07:28 PM

Why is there a coin cell battery if it has a Li-ion battery in the mp3 player

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SanDisk Guru
Tapeworm
Posts: 16,265
Registered: ‎04-17-2008

Re: sansa e250

‎01-14-2019 12:02 PM

To save settings/firmware, etc. in the event of total battery discharge.

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