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Rectangular lithium polymer battery pack with connector and label

FOCUSTEC

FOCUSTEC SH03XL 11.55V 57.9Wh laptop battery

SKU CH-3T7D-VFCCF

Lithium-polymer 11.55V 57.9Wh replacement battery for HP Spectre X360 13-ac and 13-w series with overcharge, overdischarge, over-temperature and short-circuit protection

  • Battery TypeLithium-Ion
  • Replaces original HP Spectre X360 batteries
  • 55V 57.9Wh capacity matches factory spec
  • Overcharge and overdischarge circuit protection built in
  • Over-temperature and short-circuit protection included
  • Up to 1000 recharge cycles over battery life

Replacement Battery for HP Spectre X360 13

This new lithium-polymer battery replaces the original SH03XL unit in HP Spectre X360 13-ac and 13-w series convertibles. It matches the 11.55V voltage and 57.9Wh capacity specified for those models. The pack includes overcharge, overdischarge, over-temperature and short-circuit protection circuits.

Voltage and Capacity Limits

The 11.55V output is fixed by the cell chemistry and cannot be adjusted for other laptop families. A 57.9Wh rating defines the total energy available per charge cycle, so runtime scales directly with the notebook's power draw. The protection circuits will interrupt current if voltage or temperature exceeds safe thresholds.

1000 Recharge Cycle Rating

The manufacturer rates the cell pack for up to 1000 full recharge cycles over its service life. This figure determines how long the battery can maintain usable capacity before replacement becomes necessary. Buyers needing a higher cycle rating or a different voltage platform should look elsewhere.

Highlights

  • Replaces original HP Spectre X360 batteries
  • 55V 57.9Wh capacity matches factory spec
  • Overcharge and overdischarge circuit protection built in
  • Over-temperature and short-circuit protection included
  • Up to 1000 recharge cycles over battery life

Specifications

Battery TypeLithium-Ion

Questions about this item

Which Spectre x360 models does the SH03XL battery fit?

The SH03XL replaces part numbers 859026-421, 859356-855, HSTNN-LB7L, SH03057XL and TPN-Q178 across HP Spectre x360 13-ac, 13-ab, 13-w0 and 13t-ab series laptops.

What does 11.55 V and 57.9 Wh mean for daily runtime?

The 11.55 V nominal voltage and 57.9 Wh capacity match the original factory specification, delivering the same charge capacity and run time the laptop was designed for.

What connector standard does the battery use and what limits it?

The pack uses the proprietary HP Spectre x360 internal connector keyed for 11.55 V lithium-polymer cells; it only fits models wired for that exact pin-out and voltage.

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