What does this mean?

[Tom Rambaut]

Looking at the battery info section on my 1D MK4 I noticed something that has never been there before 'Calibration is recommended when charging the battery next time'. In red so it must be important.

Does anyone know what this means?

Thanks Tom

[Andrew Merwin]

Read this: http://cpn.canon-europe.com/content/...ry_chargers.do

[Tom Rambaut]

Thanks Andrew.