https://support.google.com/pixelphone/answer/7158570?hl=zh-Hant&sjid=17245208894927965064-AP
自己睇網絡嗰格
You can tell which battery you have physically by the number next to the QR code. 8230015901 is ATL (good) and 8230020501 is LSN (bad). If you're replacing your battery, make sure it's ATL.