0.6.5 Laptop turns off when the first battery is discharged & #2 issue showing a warning that it will fall asleep, but it is just shutdown · Issue #45 · simprecicchiani/ThinkPad-T460s-macOS-OpenCore · GitHub
01AV406 Laptop Battery Replacement for Lenovo Thinkpad T460s T470s Series Notebook Internal Sb10j79003 00hw038 00hw025 00hw024 - China Laptop Battery and Lithium Battery price | Made-in-China.com