We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular black lithium polymer laptop battery with three cells

PISKEKAT

PISKEKAT BK03XL 41.7Wh 11.55V laptop battery

SKU CH-HWXB-257CE

Lithium-polymer 41.7 Wh, 11.55 V replacement battery with three cells and included screwdrivers for HP Pavilion x360 14-ba series

  • Battery TypeLaptop Batteries
  • Lithium-polymer chemistry gives 41.7Wh capacity
  • 55V output matches original HP specifications
  • Three-cell design fits HP Pavilion x360 14-ba series
  • Built-in protection guards against overcharge and short-circuit
  • Free screwdrivers included for straightforward installation

Compatible replacement battery

The PISKEKAT BK03XL is a new lithium-polymer laptop battery rated at 11.55V and 41.7Wh with three cells. It replaces part numbers BK03XL, BK03041XL, 916366-421, 916366-541, 916811-855, 916812-855, HSTNN-LB7S, HSTNN-UB7G and TPN-W125. The pack includes the battery and free screwdrivers for installation. It is designed for HP Pavilion x360 convertible models in the 14-ba0xx, 14-ba1xx, 14-ba2xx, 14m-ba0xx and 14m-ba1xx series.

Verify your part number

Before ordering, confirm that your original battery carries one of the listed part numbers such as BK03XL or 916811-855. Check that your laptop model appears in the compatible series including 14-ba0xx, 14-ba1xx, 14-ba2xx, 14m-ba0xx or 14m-ba1xx and specific sub-models like 14-ba253cl or 14m-ba114dx. Ensure the voltage rating of 11.55V matches the original specification. The battery includes overcharge, overdischarge, over-temperature and short-circuit protection.

Suits owners of listed HP convertibles

This battery suits owners of the compatible HP Pavilion x360 14-inch convertibles who need a direct replacement with included tools. It is not for users whose laptop uses a different part number or voltage, buyers who need a higher capacity than 41.7Wh, or anyone with a non-Pavilion or non-x360 chassis. It also does not suit devices requiring a different cell count or connector layout.

Highlights

  • Lithium-polymer chemistry gives 41.7Wh capacity
  • 55V output matches original HP specifications
  • Three-cell design fits HP Pavilion x360 14-ba series
  • Built-in protection guards against overcharge and short-circuit
  • Free screwdrivers included for straightforward installation

Specifications

Battery TypeLaptop Batteries

Questions about this item

Does the BK03XL battery pack include the screwdrivers needed to open my HP Pavilion x360 14-ba0xx?

Yes, the package includes one BK03XL lithium-polymer battery and free screwdrivers for easy installation.

My HP Pavilion x360 14m-ba011dx shows part number 916811-855 on the old battery; will this BK03XL replace it?

The BK03XL replaces part numbers 916811-855, 916812-855, 916366-421, 916366-541, HSTNN-LB7S, HSTNN-UB7G and TPN-W125 across the listed 14-ba and 14m-ba series.

What runtime can I expect from the 41.7Wh capacity once the BK03XL is fitted in my 14-ba253cl?

The 3-cell, 11.55V, 41.7Wh pack is rated for up to 500 recharge cycles; actual runtime varies with workload, screen brightness and power settings.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.