There is no battery on the motherboard when it leaves the factory.
M44236-001 HP Chromebook 11MK G9 EE Motherboard 4GB 32GB MT8183 W/SD Slot
M56146-001 For HP Chromebook 11 G9 EE Motherboard 8GB 32GB Intel Celeron N4500
M47370-001 HP Chromebook 11 G9 EE UMA N4500 4GB 32GeMMC Motherboard
HP Chromebook 11 G5 EE Motherboard DANL6CMB6F0 with Intel Celeron N3060
HP Chromebook 11 G8 EE 11.6" 32GB N4020 ChromeOS, Gray
