The EU is mandating 80% capacity after 1000 cycles or a user-replaceable battery. Assuming you drain half the battery on an average day, that'd be over 5 years,

The EU is mandating 80% capacity after 1000 cycles or a user-replaceable battery. Assuming you drain half the battery on an average day, that'd be over 5 years, and 80% is still more than I'd need. Assuming they actually enforce the law, of course.