Chosen Solution
Before switch of battery it only worked 4-5 min, we have change battery and loading it works well, but when we take out the electricity cord, it go off? Before battery switch - it random go off ? Macbook Pro 13 inch - early 2015 Haven´t heard about this before -
It appears SMC was not fully cleared as we can still see the original battery info! Note the batteries manufactured date is 2015-03-30 which is just a few months older that the system 2015-10-26 Properly shutdown your system and disconnect all the cords to the system then carefully disconnect the battery. Place the system on its side so you can reach the power button and press and hold it with nothing connected for a good 15 sec’s to fully discharge the logic board. Now, plug in the MagSafe charger, the system should spontaneously startup, let it finish booting, then carefully shut down the system fully. Now reattach the battery and plug back in the MagSafe and restart your system. let the system stay running, did it continue to do so for a good half hour?If it did now disconnect the MagSafe again let it run did it stay running for at least a half hour?If so launch CoconutBattery again did the Batteries Manufacturing date change?
@swedboy - Charging is a different issue than reading the batteries values. So lets assume charging is the real issue here (FYI: It doesn’t appear to be so in your CoconutBattery snapshots). Your MagSafe charger puts out power which is attenuated by SMC based on three variables the batteries temp and what it measures from the battery from the micro-controller within the battery as well as the flow rate SMC measures across to resistors via a voltage comparator logic which inputs into your systems SMC and the stored high and low values to alter the MagSafes power level. We often find knockoff chargers don’t work properly and some even damage the voltage comparator logic within the logic board Its was so often an issue in the older Unibody and Retina systems I pulled this together to help sway people away from them! As well as a very expensive event one of my clients encountered costing them a 3~4 million in damages! And our reaction making sure the systems all had real Apple charger units. Don’t Replace Your MacBook Charger With a Cheap KnockoffOEM MagSafe Chargers vs Cheap Imposters: Teardown for TruthLacking safety features, cheap MacBook chargers create big sparksFAKE Magsafe MacBook Chargers on eBay - Watch before buying a Mac Charger Only use the real Apple unit for your system directly from Apple don’t trust what people write on the web and if its not in real Apple packaging walk away! Apple 60W MagSafe 2 Power Adapter (MacBook Pro with 13-inch Retina display)
