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Rectangular black laptop battery with label showing model JC03 and 31WH capacity

PISKEKAT

PISKEKAT JC03 31WH laptop battery for HP 15-bs 15-bw 14-bw

SKU CH-EQ21-4P2WE

Replacement 31 Wh battery for HP 15-bs, 15-bw and 14-bw series laptops

  • Battery TypeLaptop Batteries
  • 31WH capacity powers compatible HP 15-bs and 15-bw laptops
  • Replaces original HP part numbers 919700-850 and 919701-850
  • Supports HP 14-bw models including 14-bw010nr and 14-bw012nr
  • Compatible with additional HP part numbers HSTNN-DB8E and HSTNN-H7BX
  • New condition ensures reliable performance from first charge

What this battery replaces

The PISKEKAT JC03 is a 31WH replacement cell built for HP 15-bs, 15-bw and 14-bw series notebooks. It matches part numbers 919700-850, 919701-850, JC04, HSTNN-DB8E and HSTNN-H7BX across the listed models.

Daily thermals and power draw

The pack uses standard lithium-ion chemistry rated at 31WH, delivering typical run time for office tasks and media playback. Normal charging and discharging stay within the thermal envelope designed for these chassis.

Behaviour under sustained load

During extended workloads the cell maintains steady voltage until the controller initiates its low-power cutoff. Capacity fade follows the normal curve for this chemistry and capacity class.

Highlights

  • 31WH capacity powers compatible HP 15-bs and 15-bw laptops
  • Replaces original HP part numbers 919700-850 and 919701-850
  • Supports HP 14-bw models including 14-bw010nr and 14-bw012nr
  • Compatible with additional HP part numbers HSTNN-DB8E and HSTNN-H7BX
  • New condition ensures reliable performance from first charge

Specifications

Battery TypeLaptop Batteries

Questions about this item

How do I install the JC03 battery in my HP 15-bs laptop and which step causes the most trouble?

Power off the laptop, remove the bottom case screws, disconnect the old battery connector from the motherboard before lifting it out, then connect the new JC03 battery connector firmly — the step most people miss is unplugging the old battery first.

What maintenance or replacement will the JC03 battery need later?

The 31WH lithium-ion cell will gradually lose capacity over hundreds of charge cycles; no user-serviceable parts exist, so plan to replace the whole battery when run time drops below your needs.

What limit appears first during sustained use of the JC03 battery?

The 31WH capacity sets the runtime ceiling — under continuous load the battery will deplete before any thermal or voltage limit is reached.

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