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Black rectangular lithium-polymer laptop battery, 51Wh 11.55V

POWER-FENG

POWER-FENG 51Wh BN03XL battery for HP Envy x360 13-a 15m-ee013dx

SKU CH-H9J2-SB5ME

51 Wh 11.55 V lithium-polymer replacement battery compatible with HP Envy x360 13 and 15 models

  • TypeBattery
  • Battery TypeLaptop Batteries
  • 51 Wh capacity supports longer unplugged sessions
  • 55 V output matches original HP specification
  • Li-polymer chemistry keeps weight and profile slim
  • Replaces BN03XL and five other HP part numbers
  • Fits Envy x360 13‑ay and 15‑ed series models

Compatible HP Envy x360 battery

This 51Wh Li-polymer replacement battery operates at 11.55V and delivers 4195mAh capacity. It replaces part numbers BN03XL, HSTNN-OB1O, L77034-005, L76965-AC1 and HSTNN-DB9N. Designed for HP Envy x360 13-a and 15m-ee013dx models including TPN-C145, TPN-C147 and TPN-C149 platforms.

Straightforward internal installation

The battery fits the original compartment in compatible Envy x360 chassis without modification. Common issues arise when the replacement part number does not match the original BN03XL or HSTNN-DB9N codes. Verify the exact model suffix such as 13-ay0056AU, 13-ay0057AU, 13-ba0000 or 15-ed1003TX before opening the case.

Suits owners of listed Envy x360 variants

This unit serves users with 2020-era Envy x360 13 and 15 models carrying the specified TPN identifiers. Buyers needing a different voltage, capacity or connector layout should look elsewhere. It does not support Envy models outside the 13-a, 15m-ee or 15-ed series listed above.

Highlights

  • 51 Wh capacity supports longer unplugged sessions
  • 55 V output matches original HP specification
  • Li-polymer chemistry keeps weight and profile slim
  • Replaces BN03XL and five other HP part numbers
  • Fits Envy x360 13‑ay and 15‑ed series models

Specifications

TypeBattery
Battery TypeLaptop Batteries

Questions about this item

How can I confirm the 11.55V 51Wh battery is working correctly after installation?

The operating system should report a full charge near 4195 mAh and show the voltage at 11.55 V with no calibration warnings.

What comes in the package and what must be sourced separately?

Only the black Li-polymer BN03XL battery is included; tools, screws and any adhesive strips are not supplied.

Which listed part number matches my Envy x360 13-ay0056AU?

The BN03XL replaces HSTNN-OB1O, L77034-005, L76965-AC1 and HSTNN-DB9N, all of which fit the 13-ay0056AU model.

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