If you are persistent enough in asking, Apple will actually agree to replace the magsafe beyond the warranty period. I got mine replaced after 2 years of use, I just called their customer service number. The officer asked me to email a picture of my magsafe, and they approved the replacement free of charge. I had to surrender the old one when I claimed the new adapter at the service center. I did that way back 2013. The replacement magsafe is still okay to date.
Really? I got mine replaced through APP and the replacement seems to be having problems again. I have to find an angle for it to charge.
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Also had this problem before and I ended up just replacing mine after a little over 3 years of use. Do you guys think those small spiral cord protectors that can be found everywhere will help prevent the fraying of the wires?