Chosen Solution
In the last few days I’ve been getting a weird issue, my Mac shutdown when its on battery and it will only boot up back with charger plugged in, after it boots up it shows 0 precent battery as if all the power in the battery got drained. I have a low cycle count of 354 and a battery condition of normal, and the test passed with no problems. I have also reseted the SMC Here is the crash report: Crash Report
How about trying some hardware troubleshooting ? You just need a philips screwdriver to remove the bottom of your Mac and two fingers to unplug the battery connector. See what happens with battery disconnected..if you can live a couple of hours just on power mains that would help exclude is just a battery issue..despite low cycle count that might be the source of your problem.
In the review of the crash repair it appears you have a stuck process which will continue to run which over time will drain your battery. key crash Make a clean backup of your drive, setup if you haven’t already a bootable OS installer drive as you’ll need to wipe the drive down to install a fresh copy of the OS, and then, re-install your apps from the App Store and/or original sources making sure you’ve got the newest versions. That should do it!
