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Rectangular black lithium-ion laptop battery with label showing 11.4V 46W 3-cell

HP

HP HSTNN-PB6K 11.4V 46W 3-Cell Laptop Battery

SKU CH-M8BX-4F2HE

An 11.4 V lithium-ion replacement battery delivering 46 W across three cells for compatible HP laptops

  • CompatibilityCompatible with HSTNN-PB6K HSTNN-UB6Q HSTNN-DB7N HSTNN-I66C-
  • Battery TypeLithium-Ion
  • Reliable power for longer sessions with 46 Wh capacity
  • Lithium-ion chemistry maintains stable output at 11.4 V
  • Three premium cells engineered for consistent daily use
  • Certified to CE and RoHS safety and environmental standards
  • Exact fit for HSTNN-PB6K, UB6Q, DB7N, I66C-4 and I66C-5U

HP HSTNN-PB6K Replacement Battery

This 11.4V lithium-ion pack supplies 46W of capacity across three premium cells. It is built as a direct replacement for HP laptops that use the HSTNN-PB6K, HSTNN-UB6Q, HSTNN-DB7N, HSTNN-I66C-4 or HSTNN-I66C-5U part numbers. The unit carries CE and RoHS certification and includes a one-year replacement warranty against material or workmanship defects.

For HP Owners Needing a Direct Fit

Buyers with a compatible HP notebook seeking a new, certified battery that restores original run-time will find this unit matches the factory form factor and voltage. Users whose laptops require a different part number, a higher watt-hour rating, or a chemistry other than lithium-ion should look at other options.

Steady Output During Extended Sessions

The three-cell design delivers consistent voltage across a full discharge cycle rather than spiking in short bursts. Rigorous cell testing targets stable performance through repeated charge and discharge cycles, so the pack maintains reliable power during long work or media sessions without sudden voltage drops.

Highlights

  • Reliable power for longer sessions with 46 Wh capacity
  • Lithium-ion chemistry maintains stable output at 11.4 V
  • Three premium cells engineered for consistent daily use
  • Certified to CE and RoHS safety and environmental standards
  • Exact fit for HSTNN-PB6K, UB6Q, DB7N, I66C-4 and I66C-5U

Specifications

CompatibilityCompatible with HSTNN-PB6K HSTNN-UB6Q HSTNN-DB7N HSTNN-I66C-4 HSTNN-I66C-5U
Battery TypeLithium-Ion

Questions about this item

Does my HP laptop need an 11.4V 3-cell lithium-ion battery to work with this replacement?

Yes, this unit is a 11.4V 3-cell lithium-ion pack rated at 46W and built to match the HSTNN-PB6K, HSTNN-UB6Q, HSTNN-DB7N, HSTNN-I66C-4 and HSTNN-I66C-5U part numbers.

Will this battery fit the same bay and connector as the original HSTNN-PB6K unit I am removing?

It is engineered as a direct replacement for the HSTNN-PB6K, HSTNN-UB6Q, HSTNN-DB7N, HSTNN-I66C-4 and HSTNN-I66C-5U, so the physical dimensions and connector align with the original battery bay.

How can I confirm the battery is operating correctly after I install it?

After installation the laptop should recognise the pack immediately, show a charging indicator and report a design capacity close to 46W in the OS battery settings.

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