Don't think that's normal under any circumstances.
On a related topic: does Apple have a similar policy for the iPad, as they have for the iPhone, that allows you to pay a fixed amount for a battery replacement?
For proper reporting of the batterys state of charge, be sure to go through at least one charge cycle per month (charging the battery to 100% and then completely running it down).
Don't think that's normal under any circumstances.
On a related topic: does Apple have a similar policy for the iPad, as they have for the iPhone, that allows you to pay a fixed amount for a battery replacement?
For proper reporting of the batterys state of charge, be sure to go through at least one charge cycle per month (charging the battery to 100% and then completely running it down).