HP HSTNN-LB7K Genuine 3-Cell Primary Battery - 14.8V 41Wh Li-ion for HP 15/17 Series

When your HP 15-BS or 250 G6 runs out of juice mid-meeting, this genuine HP HSTNN-LB7K battery keeps you working. It's a 3-cell lithium-ion pack that delivers 41Wh at 14.8V, matching the original exactly. Slip it into the bay, and your notebook is back to full endurance—no warnings, no surprises.

Key specifications

• Genuine HP original spare part
• 3-cell lithium-ion design
• Voltage: 14.8 V
• Capacity: 41 Wh / 2800 mAh
• Colour: Black
• Rechargeable: Yes
• Overcharge, over-discharge, and short circuit protection
• Compatible with HP 15-BS, 15-BW, 17-BS, 250 G6, 255 G6 series
• Alternative part numbers: 919701-850, 919681-221, 919682-121, 919682-421, 919682-831, HSTNN-PB6I, HSTNN-PB6L, HSTNN-DB8E

Why choose it

Third-party batteries often trigger compatibility errors or degrade quickly. This HP original is built to the same standards as the one that came with your laptop, so you get reliable charge cycles and safe operation. The integrated protection circuits guard against common battery failures, extending overall lifespan.

Ideal use cases

• Replacing a worn-out battery in an HP 15-BS or 15-BW notebook
• Keeping a spare for long workdays away from outlets
• Restoring full mobility to an HP 250 G6 or 255 G6 business laptop
• Ensuring genuine parts for warranty and service compliance

Good to know

Installation is straightforward: power down, remove the old battery, and click this one into place. Charge it fully before first use. Store in a cool, dry place if not used immediately. Always recycle old batteries responsibly.