Not the single day passes given Apple rested a MacBook and already a excellent folks during iFixit have been upon the job. For a many part, the full disassembly is commercial operation as common, as usually the few components — CPU, GPU and battery — have altered since a last go-round. That last is of special interest, however, since iFixit says a battery is just a same shape as its former — all you have to do to get an extra 350 mAh for your existent cosmetic MacBook is to drop in the refreshed battery. Mind you, a new cells import some-more and it’s expected a new silicon that’s essentially responsible for 10 hours of battery holdup, though should your Li-ion container destroy underneath guaranty, your older MacBook competence be returned with some-more juice than you’d bargained for. See a full teardown at the source couple.