https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Display+Early+2015+Battery+Replacement/45137 https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Dis

https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Display+Early+2015+Battery+Replacement/45137 https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Disp... you should stop using it as soon as you can, it's a fire hazard