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
Black rectangular lithium-ion laptop battery with connector on one side

AUTECH

AUTECH TF03XL laptop battery 41.9WH 11.55V 3-cell

SKU CH-P3YK-AEEVY MPN TF03XL

41.9 Wh lithium-ion replacement battery for HP Pavilion and ProBook laptops, 11.55 V three-cell design with CE and FCC certification

  • Battery TypeLithium-Ion
  • 9 Wh capacity powers extended work sessions
  • 55 V lithium-ion chemistry matches original specifications
  • Three-cell design keeps weight low for portability
  • CE and FCC certified for electrical safety compliance
  • Replaces HP part numbers L11119-855 and HSTNN series

HP Pavilion x360 battery replacement

This AUTECH TF03XL lithium-ion battery delivers 41.9 Wh at 11.55 V across three cells. It replaces the original HT03XL pack in numerous Pavilion x360 convertible models and standard 14-inch or 15-inch Pavilion laptops listed in the compatibility data. The black unit is certified to CE and FCC safety standards.

Verify the exact model number before ordering

Check the part number printed on your existing battery against the supported list, which includes L11119-855, 920046-121, 920046-541, 920070-855, HSTNN-IB7Y, HSTNN-LB7J and several other HP spare codes. This pack is not for buyers who need a different voltage, a higher capacity or a form factor that fits ultra-thin or 17-inch chassis not shown in the compatibility tables.

No extra accessories or software are included

The package contains only the replacement battery itself. There are no installation tools, driver discs or management utilities supplied, so buyers who want a screwdriver kit or calibration software must obtain those separately. The 1:1 mechanical design means the battery fits the existing bay without modification.

Highlights

  • 9 Wh capacity powers extended work sessions
  • 55 V lithium-ion chemistry matches original specifications
  • Three-cell design keeps weight low for portability
  • CE and FCC certified for electrical safety compliance
  • Replaces HP part numbers L11119-855 and HSTNN series

Specifications

Battery TypeLithium-Ion

Questions about this item

Does the TF03XL battery ship with any installation tools or screws?

The package contains only the 3-cell 41.9 Wh lithium-ion battery; no tools or mounting screws are included.

My HP Pavilion 15-cc series shows part number L11119-855 — is the TF03XL the correct replacement?

Yes, the TF03XL replaces HP spare part L11119-855 and matches the 11.55 V 3630 mAh specification for those models.

What does the 41.9 Wh rating mean for daily runtime on a Pavilion 14-ce?

At 11.55 V and 3630 mAh the pack stores 41.9 Wh, which typically delivers several hours of mixed use before needing a recharge.

Also in this aisle

People compared these

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