4 ms·

I've only had a half dozen MagSafe chargers, and never had one fail.

• PhasmaFelis 9y ago
  I've had at least four, and never had one not fail. It may depend on the conditions you use them in; keeping it on your desk most of the time is probably better than carrying it around and using it in coffee shops and so forth. But that's a standard use case for laptops; there's no excuse for not being able to survive that.