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Rectangular black laptop battery with four cells and connector strip

FOCUSTEC

FOCUSTEC 4 Cell 2600mAh 38Wh 14.8V Li-Ion Laptop Battery

SKU CH-ZERT-VHC32

A 4-cell 2600 mAh 38 Wh 14.8 V lithium-ion replacement battery rated for over 1000 charge cycles, compatible with numerous HP 14-AB, 15-AB and 17-G series laptops

  • Battery TypeLithium-Ion
  • Longer runtime with 38 Wh capacity
  • Extended lifespan rated over 1000 charge cycles
  • Reliable power from 4 lithium-ion cells
  • Broad compatibility across 14, 15 and 17 inch models
  • Smart control chip protects against overcharge and short circuits

Replacement Battery for HP 14, 15, 17 Series

This 4-cell lithium-ion pack is built for HP Pavilion and Envy models ranging from 14-inch to 17-inch chassis. It matches the original 14.8V 38Wh specification and supports part numbers 800049-001, 800010-421, 800050-001, HSTNN-LB6R and HSTNN-DB6T. Buyers needing a higher-capacity 6-cell or 9-cell option will not find it here.

Sustained Runtime and Cycle Life

Rated at 2600mAh, the battery delivers consistent voltage through the discharge curve thanks to its integrated smart control chip. The supplier rates the premium cells for over 1000 charge cycles, so capacity fade stays gradual under daily charge and discharge rather than collapsing after a few months. No rapid-degradation data is provided for heavy gaming loads.

Straightforward Swap with Firmware Checks

The pack fits the existing bay without tools; align the connector and press until the latch clicks. Some HP BIOS versions require a calibration cycle — full charge, full discharge, full charge — before the fuel gauge reports accurately. Skipping this step is the most common reason owners think the new unit is defective.

Highlights

  • Longer runtime with 38 Wh capacity
  • Extended lifespan rated over 1000 charge cycles
  • Reliable power from 4 lithium-ion cells
  • Broad compatibility across 14, 15 and 17 inch models
  • Smart control chip protects against overcharge and short circuits

Specifications

Battery TypeLithium-Ion

Questions about this item

Does the 4-cell 2600mAh battery run hotter during all-day use than the original 3-cell pack?

The replacement operates at the same 14.8 V as the factory unit; heat output is comparable under normal loads.

Will this 38 Wh pack fit my HP 17-G121WM without any extra brackets or cables?

It matches the OEM HSTNN-LB6R form factor exactly — no additional hardware is required for installation.

Can I keep using my existing 800049-001 charger with this 14.8 V Li-ion battery?

Yes, the smart control chip communicates with the original HP charger so charging proceeds normally.

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