Kup si baterku aj nastroje cez ifixed.com za cca 109 EUR a oprav si sam ;)
FixKit: baterka aj naradie:
MacBook Pro 13" Retina (Early 2015) Battery
Navod:
https://www.ifixit.com/Guide/MacBook+Pro+13-Inch+Retina+Display+Early+2015+Battery+Replacement/45137
Bud rad, ze si to asi mozes opravit sam. My co mame novise Macbooky, kde je T1, T2 cip, tak iba asi v servise.