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 battery with three cells and screwdrivers

TAURKENAM

TAURKENAM LK03XL laptop battery 11.55V 52.5Wh 3-cell

SKU CH-EZMQ-CNFK5 MPN LK03XL

A 3-cell lithium-polymer battery rated at 11.55 V and 52.5 Wh, compatible with numerous HP Envy x360 convertible models and supplied with installation screwdrivers

  • Battery TypeLithium-Ion
  • 5 Wh capacity powers extended work sessions
  • 3-cell lithium-polymer design keeps weight low
  • Built-in circuit protection guards against overcharge and short circuits
  • Grade A cells deliver up to 500 recharge cycles
  • Includes screwdrivers for straightforward self-installation

Replacement battery for HP Envy x360 Convertible

This 11.55 V lithium-polymer pack delivers 52.5 Wh across three cells. It matches part numbers LK03XL, 916814-855 and HSTNN-LB7U for the 15-bp, 15-bq, 15-cn, 15m-bp, 15m-bq, 15m-cp and 17m-ae series. The unit is new and rated for up to 500 recharge cycles.

Included screwdrivers for installation

The package supplies one battery and a set of screwdrivers so you can swap the old pack without sourcing tools. Grade A cells and built-in circuit protection are claimed to give fast charges, low power draw and stable operation. No software or drivers are bundled.

Check your exact model number before ordering

Verify the part number printed on your current battery against the compatibility list — LK03XL, 916368-421, 916368-541, HSTNN-LB8J, HSTNN-UB71, TPN-W127, TPN-W128 or TPN-I129. This pack will not fit Envy models outside the listed 15-inch and 17-inch convertible ranges.

Highlights

  • 5 Wh capacity powers extended work sessions
  • 3-cell lithium-polymer design keeps weight low
  • Built-in circuit protection guards against overcharge and short circuits
  • Grade A cells deliver up to 500 recharge cycles
  • Includes screwdrivers for straightforward self-installation

Specifications

Battery TypeLithium-Ion

Questions about this item

How many recharge cycles does the LK03XL battery support before it needs replacing?

The lithium-polymer pack is rated for up to 500 recharge cycles over its lifetime, after which capacity will have dropped enough to warrant a replacement.

What is the first limit reached during sustained use of the 52.5Wh 3-cell battery?

The 52.5 Wh capacity is the limiting factor; once the stored energy is depleted the laptop must be recharged before continuing.

Does the 11.55V battery generate noticeable heat or noise when the laptop runs all day?

The battery itself has no moving parts and produces no noise; normal warmth occurs during charge or heavy discharge, but the built-in protection circuit keeps temperatures within safe limits.

Also in this aisle

People compared these

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