DMKAOLLK HT03XL Laptop Battery for HP Pavilion 14/15/17

The DMKAOLLK HT03XL (L11119-855) is a 3-cell, 11.55V / 41.7Wh replacement Li-ion battery made to fit many HP Pavilion 14, 15 and 17 series laptops.

If your HP Pavilion shows short runtime or the original battery has failed, this drop-in compatible pack restores portable power. Packaged with two screwdrivers and a user manual, the DMKAOLLK HT03XL replaces OEM part numbers such as L11119-855, L11421-542, HSTNN-UB7J and HT03041XL and supports a broad list of Pavilion model numbers and P/N variants.

Which HP models and part numbers does this HT03XL battery support?

The DMKAOLLK HT03XL is compatible with numerous Pavilion model families, including many 14-, 15- and 17-inch SKUs and certain G7 and G5 series. It matches popular OEM designations, making it a straightforward replacement for laptops that list the same part numbers.

• Compatible OEM IDs: L11119-855, L11421-542, HSTNN-UB7J, HT03041XL and similar variants.
• Supports Pavilion lines: 14-CE/CF/DF series, 15-CS/DA/DB/DW series, 17-BY/CA series.
• Also lists compatibility with HP 240/245/250/255 G7 and 340/348 G5 series.
• Check your laptop’s service label or existing battery P/N to confirm fit before ordering.

How long and powerful is the HT03XL battery?

This DMKAOLLK pack delivers 11.55 volts and a rated energy of 41.7Wh across three cells. Nominal capacity and runtime vary by system configuration, power settings and workload, but the specification aligns with many OEM replacement requirements for Pavilion laptops.

• Voltage: 11.55 V; Capacity: 41.7 Wh (3-cell Li-ion).
• Designed to meet the electrical and mechanical fit of listed HP part numbers.
• Runtime depends on screen brightness, CPU/GPU load and background tasks.
• Use original charger and follow HP charging guidelines for best results.

What comes in the package and what tools are included?

The DMKAOLLK HT03XL ships ready for installation with hardware to simplify swapping the battery. The included tools are intended for users comfortable opening the laptop base and replacing the battery; if you are unsure, professional installation is recommended.

• Included: HT03XL replacement battery, two screwdrivers and a user manual.
• Documentation covers basic installation steps and safety notes.
• Packaging notes specify compatibility differences: HT03XL is not interchangeable with HW03XL despite some overlap in series.
• Keep original screws and follow anti-static precautions during installation.

How do I confirm compatibility before buying?

Confirm fit by comparing the P/N printed on your current battery or checking your laptop’s service tag documentation. If the P/N or model series appears in the compatibility list, the HT03XL is a likely match; when in doubt, consult the product detail page or contact support.

• Find the existing battery part number under your laptop or in system documentation.
• Match one of the listed P/Ns (L11119-855, L11421-542, HSTNN-DB8R, etc.).
• Verify the Pavilion model number (examples: 15-DA0014DX, 14-CE0027TU, 17-BY1033DX).
• Reach out to seller support with photos for additional confirmation if uncertain.

Who this is for: The DMKAOLLK HT03XL L11119-855 battery suits HP Pavilion owners who need an OEM-compatible replacement for reduced runtime or a failed pack. It’s aimed at DIY users and technicians comfortable with internal battery swaps, or anyone seeking a direct-fit, specification-matching replacement for supported 14-, 15- and 17-inch Pavilion and select G7/G5 models.