Canon EOS 70D Instruction Manual page 398

3 Checking the Battery Information
Labeling the Serial Number on the Battery
It is convenient to label all registered Battery Pack LP-E6 with their
serial numbers, using commercially available labels.
Serial number
Do not affix the label on any part other than as shown in the illustration in
step 2. Otherwise, the misplaced label may make it difficult to insert the
battery or impossible to turn on the camera.
If you use Battery Grip BG-E14, the label may peel off as you repeatedly
insert and remove the battery pack. If it peels off, affix a new label.
398
1
Write the serial number on a
label.
Write the serial number displayed on
the battery history screen on a label
approx. 25 mm x 15 mm / 1.0 in. x 0.6
in. in size.
2
Take out the battery and affix the
label.
Set the power switch to <2>.
Open the battery compartment cover
and remove the battery.
Affix the label as shown (side with no
electrical contacts) in the illustration.
Repeat step 2 for all of your battery
packs so you can easily see the serial
number.