HT03XL Battery HP Pavilion 14 15 17 15-CS 15-DA 15-DB 15-DW

Does your HP Pavilion 14, 15 or 17 (like 15-CS, 15-DA, 15-DB or 15-DW) no longer hold a charge for a few hours? The HT03XL is the standard internal battery for this popular Pavilion line and wears out after 2-3 years. This replacement with fresh Li-ion cells brings runtime back.

Specifications

• Part: Laptop battery HT03XL (3-cell Li-ion)
• Capacity: 3470mAh / 41.7Wh
• Voltage: 11.55V
• Compatible: HP Pavilion 14, 15 (15-CS, 15-DA, 15-DB, 15-DW), 17
• OEM: HT03XL, HSTNN-LB8L
• For BIOS firmware from 2018+

Symptoms of a defective part

• Charge drops fast below 50%
• Sudden shutdown without warning
• BIOS shows "battery: replace"
• Runtime under 90 minutes
• Hot to the touch on AC power

Installation

🟢 Easy - around 20 minutes. Open the bottom panel, unscrew the old battery and unplug. Tools: PH0, plastic spudger. Recommended: calibrate with a full first charge cycle.

Frequently asked questions

Will the HT03XL fit a Pavilion 15-CC?
No - 15-CC uses CD03XL or LE03XL. HT03XL fits 15-CS, DA, DB, DW only.

Does it work on a Pavilion 17?
Yes - 17-AR/CA/CB models with HT03XL firmware.

Is the cell quality tested?
CE certified, tested against overcharge and short circuit.