I have seen several references regarding battery calibration but cannot seem to find any instructions on how to achieve this.  I have been using my batteries at the 10 x 50% rule to 'break them in'.  Is the Calibration procedure the same as discharging them to below 8%, or is it something completely different?
Can anyone enlighten me please?

Many thanks.

Jason

I believe that the manual says to discharge so that the Inspire 1 will no longer switch on; and to do this after every ten charges.

Fully discharge the battery (0%).

Allow the battery to cool down to ambient temperature.

Connect to power supply and charge fully until lights on battery go out.

DJI recommends you do this every 20 cycles.

Is there an easy way to discharge the batteries to zero? I always bring the Inspire down when it hit 25%-30%, hate to lose it because of some issue

Take the props off and the camera.  Then start it.  Let it run until it quits.