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The E-125 uses a button cell backup battery in addition to the main battery. If left uncharged for an extended period, the backup battery will be exhausted, and all data may be lost.

This guide shows you how to replace this battery.

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  1. Flip the device over to the back side.
    • Flip the device over to the back side.

  2. Flip the switch to "BACK UP".
    • Flip the switch to "BACK UP".

  3. Remove the battery cover by pulling bottom section upwards as shown.
    • Remove the battery cover by pulling bottom section upwards as shown.

    • Insert a Spudger underneath the battery and pry upward to remove it.

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Insert the replacement battery and follow this guide's steps in reverse to reassemble.

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Ryan Fernandez

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CPSU-FORTE-S12S5G4

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