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Rectangular black lithium-ion laptop battery with four cells

FOCUSTEC

FOCUSTEC 14.8V 4-cell laptop battery HS03 HS04 HSTNN-LB6U

SKU CH-DH9T-V8419

A 14.8V 4-cell lithium-ion battery with built-in circuit protection, compatible with numerous HP Pavilion and Notebook models

  • Battery TypeLithium-Ion
  • 8V output matches original HP specifications
  • Four Grade A lithium-ion cells enable fast charging and low power draw
  • Built-in circuit protection guards against overcharge, over-discharge and short circuits
  • Direct replacement for HP spare numbers 807956-001, 807957-001, HS03, HS04, HSTNN-LB6U and more
  • Compatible with HP Pavilion 14-ac, 15-ac, 15-ay, 15-ba and Notebook 14/15 series

14.8V 4-cell replacement for HP Pavilion

This lithium-ion battery replaces HP spare parts including 807956-001, 807957-001, HS03, HS04 and HSTNN-LB6U. It fits HP Notebook 14, 14g, 15 and 15g series as well as Pavilion 14-ac0XX, 14g-ad1XX, 15-ac0XX and 15g-ad0XX models. The 14.8V output is compatible with 14.4V systems.

Capacity and headroom for daily workloads

Four Grade A cells deliver fast charging and low power consumption for typical office, browsing and media tasks. Built-in circuit protection maintains stability during charge and discharge cycles. Runtime will decrease under sustained heavy loads such as gaming or video rendering where the 4-cell design reaches its limits.

No bundled accessories or software included

The package contains only the battery unit itself. No installation tools, driver discs or management utilities are supplied. Buyers who need a multi-bay charger, external calibration software or a second battery for hot-swap operation must source those separately.

Highlights

  • 8V output matches original HP specifications
  • Four Grade A lithium-ion cells enable fast charging and low power draw
  • Built-in circuit protection guards against overcharge, over-discharge and short circuits
  • Direct replacement for HP spare numbers 807956-001, 807957-001, HS03, HS04, HSTNN-LB6U and more
  • Compatible with HP Pavilion 14-ac, 15-ac, 15-ay, 15-ba and Notebook 14/15 series

Specifications

Battery TypeLithium-Ion

Questions about this item

Will this 14.8V 4-cell battery work in my HP Pavilion 15-AY039WM that originally used an HS03 or HS04 pack?

Yes — it replaces HP spares 807956-001 and 807957-001 and matches the HS03, HS04 and HSTNN-LB6U part numbers listed for that model.

How can I verify the battery is charging correctly after I install it?

The laptop’s power indicator should show a charging icon and the OS battery report will read 14.8 V with four cells detected.

Does the package include screws or tools, or do I need to buy them separately?

Only the battery is supplied; mounting screws and any opening tools must be sourced separately.

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