>"You don't have a certified Apple battery" would be completely sufficient. The whole point is more towards the fact that it actually means: "We don't know (o

>"You don't have a certified Apple battery" would be completely sufficient. The whole point is more towards the fact that it actually means: "We don't know (or don't care) if you have a certified Apple battery or a (crappy) third part one, all we know is that it has been changed by non-Apple-Authorized personnel, so we are giving you this warning message as a lesson"