Ordered this product in october 2017. It became much hotter than the authentic apple product it replaced. I used it for a few days. But checked it every few minutes because I didn't want it to overheat. Then sparks came flying out. I unplugged it immediately. I tried it again and it is now dead. I contacted qualishop twice via email to request a refund. No reply yet. I sent the first email five days ago.