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Rectangular black lithium-ion battery pack with label showing 11.55V 65Wh

PISKEKAT

PISKEKAT PG03XL 11.55V 65Wh laptop battery for HP Spectre x360 15-AP series

SKU CH-4PJM-BFFBE

Replacement Li-ion battery delivers 11.55V and 65Wh for HP Spectre x360 15-AP series laptops

  • Battery typeLaptop Batteries
  • Li-ion chemistry delivers stable 11.55V output for consistent performance
  • 65Wh capacity supports extended mobile work sessions
  • Direct replacement for PG03XL, HSTNN-LB7C and 831758-005 part numbers
  • Compatible with HP Spectre x360 15-AP series including 15-AP012DX and 15-AP011DX
  • Initial conditioning: discharge to 5%, charge to 95%, repeat 3-4 cycles

Replacement battery for HP Spectre x360 15-AP

This 65 Wh lithium-ion cell operates at 11.55 V and matches part numbers PG03XL, HSTNN-LB7C, 831532-421, 831532-422 and 831758-005. It fits the Spectre x360 15-AP series including models 15-AP012DX, 15-AP011DX and the 15-AP000 to 15-AP010 range. The pack is new and ready for installation.

Who this suits and who should look elsewhere

Owners of the listed HP Spectre x360 15-AP laptops needing a direct 65 Wh replacement will find the correct voltage and connector here. Buyers whose original battery shows a different watt-hour rating or a different physical design cannot use this unit. The supplier notes two incompatible PG03XL variants, so visual confirmation is essential before ordering.

Critical specification: 65 Wh capacity

The single figure that decides fitment is the 65 Wh capacity printed on the original battery. If your existing pack is rated at any other value, this replacement will not match the laptop's power circuitry or chassis cutout. Verify the watt-hour label on the old battery before purchasing.

How it compares

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

Price $58.99
Pricier than about 88% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLaptop Batteries

Questions about this item

How do I install the PG03XL 65Wh battery in my HP Spectre x360 15-AP series, and what step do people often miss?

Remove the bottom case screws, disconnect the old battery connector, fit the new 11.55V pack, reconnect the cable, then discharge to 5%, charge to 95%, and repeat three to four times for calibration.

What maintenance will this Li-ion 65Wh battery need later?

No scheduled maintenance is required; capacity will gradually fade after hundreds of cycles, and the pack should be replaced once runtime no longer meets your needs.

What limit appears first during sustained heavy use of this 11.55V battery?

The 65Wh capacity sets the runtime ceiling; under continuous high load the pack will deplete faster and thermal throttling may reduce performance before the voltage drops critically.

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