Canon EOS 7D Instruction Manual page 247

Registering the Battery to the Camera
You can register up to six Battery Pack LP-E6's to the camera. To
register multiple battery packs to the camera, do the procedure below
for each battery pack.
Battery registration is not possible if size-AA/LR6 batteries are in the

Battery Grip BG-E7 or if you use the AC Adapter Kit ACK-E6.
If six battery packs have already been registered, [Register] cannot be

selected. To delete unnecessary battery information, refer to page 249.
3 Checking the Battery Information
1
Press the <B> button.
With the Battery info. screen

displayed, press the <B> button.

The battery history screen will
appear.
 If the battery has not been registered,
it will be grayed out.
2
Select [Register].
Turn the <5> dial to select

[Register], then press <0>.
 The confirmation dialog will appear.
3
Select [OK].
Turn the <5> dial to select [OK],

then press <0>.
 The battery pack will be registered,
and the battery history screen will
reappear.
 The grayed out battery will now be
displayed in white letters.
Press the <M> button. The battery

info. screen will reappear.
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