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Rectangular black 4-cell lithium-ion laptop battery

HP

HP 7.7V 41.58W 4-Cell Lithium-Ion Laptop Battery

SKU CH-7CYG-KVQND

7.7 V, 41.58 Wh lithium-ion four-cell battery replacing HP part numbers 860724-2B1, 860724-281, 849910-850, 860724-2C1 and 860708-855

  • CompatibilityCompatible with HP 860724-2B1 860724-281 849910-850 860724-2
  • Battery TypeLithium-Ion
  • Reliable power delivery from 7.7V lithium-ion chemistry
  • Extended runtime backed by 41.58Wh capacity
  • Balanced weight and endurance with premium 4-cell design
  • Guaranteed fit for HP 860724-2B1 860724-281 849910-850 860724-2C1 860708-855
  • Safety assured through CE and RoHS certification

HP 7.7V 41.58Wh 4-Cell Battery

This replacement battery is designed for HP laptops using part numbers 860724-2B1, 860724-281, 849910-850, 860724-2C1 and 860708-855. It uses lithium-ion chemistry with a 7.7V output and 41.58Wh capacity across four cells. The unit is supplied new and carries CE and RoHS certification for safety compliance.

Thermal and Power Behaviour

Lithium-ion cells generate minimal heat during typical discharge cycles, keeping the laptop chassis cool during office work or media playback. The 41.58Wh rating delivers extended runtime between charges, reducing the frequency of AC adapter use. Normal operation produces no audible noise from the battery itself.

Build Quality and Daily Fit

The four-cell pack is engineered to match the original form factor, ensuring a secure fit inside the compatible HP battery bay without gaps or forced alignment. CE and RoHS markings confirm adherence to European safety and environmental standards. A one-year replacement warranty covers defects in materials or workmanship. Buyers needing higher capacity packs or different voltage configurations should verify their laptop's exact part number before ordering.

Highlights

  • Reliable power delivery from 7.7V lithium-ion chemistry
  • Extended runtime backed by 41.58Wh capacity
  • Balanced weight and endurance with premium 4-cell design
  • Guaranteed fit for HP 860724-2B1 860724-281 849910-850 860724-2C1 860708-855
  • Safety assured through CE and RoHS certification

Specifications

CompatibilityCompatible with HP 860724-2B1 860724-281 849910-850 860724-2C1 860708-855
Battery TypeLithium-Ion

Questions about this item

How do I install this 7.7V 41.58W 4-cell battery and which step do people get wrong?

Power off the laptop, unplug the AC adapter, remove the old pack by releasing its latch, insert the new battery until it clicks, then reconnect power; the step often missed is fully charging it before first use to calibrate the fuel gauge.

What maintenance or replacement will this 4-cell lithium-ion pack need later?

The cells lose capacity over time; expect shorter runtimes after several hundred charge cycles, so plan to replace the pack when it no longer holds enough charge for your workflow.

What limit appears first on this 7.7V battery under sustained heavy use?

Continuous high drain causes voltage to sag and the pack to heat up, triggering the built-in protection circuit to throttle output until the temperature drops.

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