RTC Battery HP OEM Part #: 857798-001

HP RTC (CMOS) battery 857798-001

HP spare part description: "ASSY, RTC BATTERY".

Compatible Business Laptop Models (2)

Devices documented to accept this OEM component. Compatibility from OEM documentation, not bench-tested.

Business Laptop

HP ProBook 640 G4

Display: 14"
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Fitment Details:

Listed for 1 of 8 checked HP ProBook 640 G4 product numbers (4LU94US), so it is configuration-specific. HP description: "ASSY, RTC BATTERY". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.

Installation: Not verified
Source: https://partsurfer.hp.com/?searchtext=4LU94US ↗ (HP PartSurfer parts list for product number 4LU94US (HP ProBook 640 G4 Notebook PC) lists 857798-001 "ASSY, RTC BATTERY".)
Business Laptop

HP ProBook 650 G4

Display: 15.6"
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Fitment Details:

Listed for 1 of 8 checked HP ProBook 650 G4 product numbers (4SU83US), so it is configuration-specific. HP description: "ASSY, RTC BATTERY". Confirm your product number on HP PartSurfer before ordering. OEM parts list only; not bench-tested.

Installation: Not verified
Source: https://partsurfer.hp.com/?searchtext=4SU83US ↗ (HP PartSurfer parts list for product number 4SU83US (HP ProBook 650 G4 Notebook PC) lists 857798-001 "ASSY, RTC BATTERY".)
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