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Rectangular black lithium-ion laptop battery with label showing 41.9 Wh 11.55 V

PISKEKAT

PISKEKAT HT03XL L11119-855 41.9 Wh 11.55 V laptop battery

SKU CH-36FQ-RZAK3

Replacement 41.9 Wh 11.55 V lithium-ion battery for HP Pavilion 14, 15 and 17 series laptops

  • Battery TypeLaptop Batteries
  • 9 Wh capacity extends runtime for HP Pavilion notebooks
  • 55 V lithium-ion chemistry matches original power requirements
  • Compatible with HP part numbers L11119-855 and L11421-542
  • Fits 14-inch, 15-inch and 17-inch Pavilion series models
  • New condition ensures full charge cycles from first use

41.9 Wh 11.55 V Li-ion laptop battery

This replacement battery delivers 41.9 Wh at 11.55 V using Li-ion chemistry. It is built to match the original HP part numbers L11119-855, L11421-542, L11421-2C2, HSTNN-UB7J, HSTNN-DB8R and HSTNN-DB8S. The unit is supplied new and ready for installation.

Compatible with many HP Pavilion 14.

The battery fits a wide range of Pavilion models including 14-CE, 14-CF, 14-CK, 14-CM, 14-DF, 14-MA, 14Q-CS, 14Q-CY, 14S-CF, 14S-CR, 15-CS, 15-CW, 15-DA, 15-DB, 15G-DR, 15T-DA, 15T-DB, 17-by and 17-CA series. It is not suitable for laptops outside these listed series or for devices requiring a different voltage or capacity.

41.9 Wh capacity at 11.55 V

The single specification that decides fit is the 41.9 Wh capacity combined with the 11.55 V output. If the original battery shows a different watt-hour rating or voltage this unit will not work correctly. Always verify the part number on the old battery before ordering.

Highlights

  • 9 Wh capacity extends runtime for HP Pavilion notebooks
  • 55 V lithium-ion chemistry matches original power requirements
  • Compatible with HP part numbers L11119-855 and L11421-542
  • Fits 14-inch, 15-inch and 17-inch Pavilion series models
  • New condition ensures full charge cycles from first use

Specifications

Battery TypeLaptop Batteries

Questions about this item

How do I install the HT03XL battery in my HP Pavilion, and which step is often missed?

Power off the laptop, unplug the AC adapter, remove the bottom case screws, disconnect the old battery cable from the motherboard, fit the new pack, reconnect the cable securely, replace the case and screws; the step most people skip is disconnecting the battery cable before removing the old pack.

What maintenance or replacement will the L11119-855 battery need over time?

The Li-ion pack will gradually lose capacity; no user-serviceable parts exist inside, so when run-time drops below your needs you simply replace the whole battery with another compatible 41.9 Wh unit.

What limit appears first on this 11.55 V battery during sustained heavy use?

The 41.9 Wh capacity sets the total energy available, so under continuous high load the pack will reach its voltage cut-off and shut down the laptop once that energy is exhausted.

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