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HP LK03XL 11.55V 55.8Wh replacement laptop battery
HP

HP LK03XL Replacement Battery

View on AmazonView on hp.com
Brand:
HP
Capacity Wh:
55 Wh
Nominal Voltage:
11.55 V

Quick facts

LK03XL is a battery that fits 11 laptop models: HP Envy x360 15-bp000, HP Envy x360 15-bp100, HP Envy x360 15m-bp, HP Envy x360 15-bq, HP Envy x360 15-cn and 6 more. It is also sold as 916368-421, 916368-541, L08855-856, L08934-1B1, L08934-2C1, L09049-1B1, L09280-855, L09911-141, L09911-421, HSTNN-LB7U, HSTNN-LB8J, HSTNN-UB71, HSTNN-UB7I, TPN-W127, TPN-W128, TPN-I129, 916814-855, L09281-855.

Part numberLK03XL
Part typeBattery
Also sold as916368-421, 916368-541, L08855-856, L08934-1B1, L08934-2C1, L09049-1B1, L09280-855, L09911-141, L09911-421, HSTNN-LB7U, HSTNN-LB8J, HSTNN-UB71, HSTNN-UB7I, TPN-W127, TPN-W128, TPN-I129, 916814-855, L09281-855
Capacity55 Wh
Voltage11.55 V
Cells3
Last checked2026-10-01

Compatible models (11)

  • HP Envy x360 15-bp000
  • HP Envy x360 15-bp100
  • HP Envy x360 15m-bp
  • HP Envy x360 15-bq
  • HP Envy x360 15-cn
  • HP Envy x360 15m-cn
  • HP Envy x360 15-cp (15m-cp, 15z-cp)
  • HP Envy 17-ae
  • HP Envy x360 17-bw
  • HP Envy x360 17-ce
  • HP Pavilion x360 15-cr

Laptops compatible with LK03XL

Fits 11 laptops: 11 OEM confirmed, 0 seller listed, 0 reported by users.

Also sold as: 916368-421, 916368-541, L08855-856, L08934-1B1, L08934-2C1, L09049-1B1, L09280-855, L09911-141, L09911-421, HSTNN-LB7U, HSTNN-LB8J, HSTNN-UB71, HSTNN-UB7I, TPN-W127, TPN-W128, TPN-I129, 916814-855, L09281-855

HP

  • HP Envy 17-aeOEM confirmedMatched on: part number LK03XL
  • HP Envy x360 15-bp000OEM confirmedMatched on: part number LK03XL
  • HP Envy x360 15-bp100OEM confirmedMatched on: part number LK03XL
  • HP Envy x360 15-bqOEM confirmedMatched on: part number LK03XL
  • HP Envy x360 15-cnOEM confirmedMatched on: part number LK03XL
  • HP Envy x360 15-cp (15m-cp, 15z-cp)OEM confirmedMatched on: part number LK03XL
  • HP Envy x360 15m-bpOEM confirmedMatched on: part number LK03XL
  • HP Envy x360 15m-cnOEM confirmedMatched on: part number LK03XL
  • HP Envy x360 17-bwOEM confirmedMatched on: part number LK03XL
  • HP Envy x360 17-ceOEM confirmedMatched on: part number LK03XL
  • HP Pavilion x360 15-crOEM confirmedMatched on: part number LK03XL

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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Manufacturer: HP Last updated: 2026-10-01

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Where to buy

HP LK03XL Replacement Battery Review

HP LK03XL replacement laptop battery, 11.55V 55Wh 3-cell. Fits HP Envy x360 15-bp000, HP Envy x360 15-bp100, HP Envy x360 15m-bp, HP Envy x360 15-bq and more.

HP service manual for the Envy x360 15-bp lists the pack as 3-cell, 55 Whr, 4.8 Ahr, spare 916814-855. Third-party listings label it 52.5 Wh at 11.55 V; the LK03XL code is on the pack label.

Full compatibility list

HP Envy x360 15-bp000, HP Envy x360 15-bp100, HP Envy x360 15m-bp, HP Envy x360 15-bq, HP Envy x360 15-cn, HP Envy x360 15m-cn, HP Envy x360 15-cp (15m-cp, 15z-cp), HP Envy 17-ae, HP Envy x360 17-bw, HP Envy x360 17-ce, HP Pavilion x360 15-cr

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

  • Owners of the HP Envy x360 15-bp000, HP Envy x360 15-bp100, HP Envy x360 15m-bp, HP Envy x360 15-bq with the LK03XL pack fitted

Not for

  • Machines fitted with a different pack code; check the label first

Specifications

What these specs mean
BrandHP
Battery Model CodeLK03XL
OEM Spare Part Number916814-855, L09281-855
Nominal Voltage11.55 V
Cell Count3
Series Configuration3S
Capacity Wh55 Wh
Capacity mAh4800 mAh
Capacity BasisOEM Spec
Shipping ClassificationUN3481
Compatible ModelsHP Envy x360 15-bp000, HP Envy x360 15-bp100, HP Envy x360 15m-bp, HP Envy x360 15-bq, HP Envy x360 15-cn, HP Envy x360 15m-cn, HP Envy x360 15-cp (15m-cp, 15z-cp), HP Envy 17-ae, HP Envy x360 17-bw, HP Envy x360 17-ce, HP Pavilion x360 15-cr
Replaces Part Numbers916368-421, 916368-541, L08855-856, L08934-1B1, L08934-2C1, L09049-1B1, L09280-855, L09911-141, L09911-421, HSTNN-LB7U, HSTNN-LB8J, HSTNN-UB71, HSTNN-UB7I, TPN-W127, TPN-W128, TPN-I129

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