DC Power Jack Connector for HP EliteBook 725 G3 / 820 G3 / 840 G3 / 850 G3

Have to hold the charger at a specific angle to make your HP EliteBook 820 G3, 840 G3, 850 G3 or 725 G3 charge? The DC power jack flex wears out on this chassis from cable movement — swap it for a solid connection.

Specifications

• Function: DC-in jack + flex to motherboard
• Compatible: HP EliteBook 725 G3, 820 G3, 840 G3, 850 G3
• Connector: 4.5 × 3.0 mm centre pin
• Type: replacement flex with solder-free plug
• Condition: brand-new, tested
• Includes: jack + flex to motherboard

Symptoms of a faulty part

• Charges only at a specific cable angle
• Plug feels loose or visibly moves in the chassis
• Intermittent 'Plugged in' / 'On battery' toggling
• Sparking or burnt smell from the DC port
• Plug runs warmer than normal while charging

Installation

🟡 Medium · Estimated time: 45 minutes · Required tools: Phillips PH0, T8 Torx, plastic spudger.
Remove the bottom cover, disconnect the battery, lift the old jack flex out of the motherboard and the chassis cradle, then route the new one identically.

Frequently asked questions

Does this fit the EliteBook 840 G4?
No, the G4 uses USB-C charging and has no separate DC jack.

Do I need to solder?
No, this jack is a plug-in flex that clips straight into the motherboard.

Compatible with both my 65W and 90W charger?
Yes, the barrel size is the same (4.5×3.0 mm) — both HP 65W and 90W bricks work.