Which RTC battery fits the HP EliteBook 820 G2? OEM part numbers

1 RTC battery is documented for the HP EliteBook 820 G2: 702853-001. 1 of 1 comes from OEM documentation (h10032.www1.hp.com); last checked 2026-11-01. Not bench-tested: match the number on your old RTC battery and any constraint before ordering.

Part numberPartConstraintsConfidenceLast checked
702853-001HP RTC batteryHP lists this spare part number for the HP EliteBook 820 G2 in its Maintenance and Service Guide (printed p.23).OEM documented2026-11-01

Where do these HP EliteBook 820 G2 RTC battery part numbers come from?

1 of 1 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-01.

Are these RTC batteries tested in the HP EliteBook 820 G2?

No. Fits come from manufacturer or retailer documentation and are not bench-tested. Check the part number on your old part and any listed constraint.

How to replace it

Steps paraphrased from the manufacturer service manual, with page citations. Not bench-tested.

All documented parts for the HP EliteBook 820 G2.

Other parts for the HP EliteBook 820 G2

Heat Sink (1) · Fan (1) · Bottom Cover (4) · Battery (2) · Screen (4) · Power Adapter (7) · Keyboard (66) · Microphone (1) · Power Cord (35) · Display Bezel (5) · Palmrest (1) · Motherboard (3) · Service Part (10) · Card Reader (1) · Fingerprint Reader (1) · Speakers (1) · Touchpad (2) · Hard Drive (7) · Memory (2) · SSD (12) · Wireless Card (5) · Camera (1) · Hinge (2) · Display Cable (2) · Antenna (4) · Display Back Cover (2) · Cable (2) · Screw Kit (1) · Feet (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-820-g2) or the keyless JSON API.

Key facts

Model
HP EliteBook 820 G2
Part type
RTC Battery
Documented parts
1
OEM-documented fits
1 of 1
Source sites
h10032.www1.hp.com
Last checked
2026-11-01
Tested
Not bench-tested; documentation only