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Black rectangular lithium-polymer laptop battery with connector visible

NShi

NShi SP04XL/HSTNN-IB8R laptop battery 15.4V 61.4Wh 3990mAh

SKU CH-18J8-W28YW MPN SP04XL/HSTNN-IB8R

A 15.4 V lithium-polymer replacement battery rated at 61.4 Wh and 3990 mAh for HP Spectre x360 13-AP series laptops

  • Battery typeLithium Polymer
  • 4 Wh capacity powers long work sessions
  • 4 V lithium-polymer cell matches original spec
  • Replaces SP04XL HSTNN-IB8R and four other part numbers
  • Fits HP Spectre x360 13-AP series convertibles
  • CE FCC RoHS certified for safety compliance

What this battery replaces

The NShi SP04XL/HSTNN-IB8R is a new lithium-polymer laptop battery rated at 15.4V with a capacity of 61.4Wh and 3990mAh. It matches the original part numbers SP04XL, HSTNN-IB8R, HSTNN-OB1B, HSTNN-DB7X, L28764-005 and L28538-AC1. The pack is certified to CE, FCC and RoHS standards and uses grade-A cells.

Who this suits and who it does not

This unit fits HP Spectre x360 Convertible 13-AP series models including 13-AP0000UR, 13-AP0000NN, 13-AP0100ND, 13-AP0000NA and the 13T-AP000 touch laptop. Buyers needing a battery for other Spectre generations or for non-convertible HP models should look elsewhere. Always verify the original battery part number before ordering.

Capacity and headroom

The 61.4Wh rating delivers a full day of typical office use on a single charge for compatible 13-inch convertibles. Runtime falls off under sustained heavy loads such as video rendering or gaming, where the 3990mAh cell depletes faster than larger-capacity packs. The 15.4V output matches the system power rail exactly.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $94.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium Polymer

Questions about this item

Does my HP Spectre x360 13-AP0000 series need a specific connector layout for this SP04XL/HSTNN-IB8R battery?

This battery uses the SP04XL/HSTNN-IB8R connector; verify the original battery part number matches SP04XL, HSTNN-IB8R, HSTNN-OB1B, HSTNN-DB7X, L28764-005 or L28538-AC1 before installing.

Will this 15.4V 61.4Wh lithium-polymer battery fit alongside the original charging circuitry in my Spectre x360 13-AP0000?

Yes, it is a direct replacement for the original 15.4V 61.4Wh pack and works with the existing HP charging system in compatible AP0XXX models.

How can I confirm the battery is recognised correctly after fitting it in my 13-AP0000 series laptop?

The BIOS should report 15.4V and 61.4Wh capacity, and Windows will show the new 3990mAh design capacity once the battery is calibrated.

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