battery charge very slowly and percentage drop
Hi,
I have installed the battery in my 2012 13 retina Macbook Pro. I found that the battery take so long to charge to 100% (~5-6 hours to complete a charge) and when I was using it the battery percentage suddenly drop from ~50% to 6% and after it can stay like that when I use for 1 hour and the battery completely died. I have calibrated for 2 times and still didn't work please follow up. Thank you!
Update (12/14/2018)
I got my battery from ifixit
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Where did you get the battery?
Dan 의
I got it from ifixit.com
chinlong wong 의