How to replace the date/backup battery on the EOS 5D Mk II
Article ID: ART104974 | Date published: 05/11/2015 | Date last updated: 11/04/2015
 

Description

How to replace the date/backup battery on the EOS 5D Mk II

Solution

The date/time (back-up) battery maintains the camera's date and time. Its service life is about 5 years. If you turn on the power and the date/ time is reset, replace the back-up battery with a new CR1616 lithium battery as described below.

The date/time setting will also be reset, so be sure to set the correct date/time

1 Set the power switch to <OFF>.

2 Unscrew the battery holder screw.

  • Use a small Philips screwdriver.
  • Be careful not to lose the screw.

3 Take off the battery holder.

  • Push out the battery in direction (2)

4 Replace the battery in the battery holder.

  • Make sure the battery is in the proper + - orientation.

5 Tighten the battery holder screw.

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