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Rectangular black lithium-ion laptop battery with six cells

HP

HP 11.1V 5200mAh 6-Cell Laptop Battery 708457 708458

SKU CH-X8R6-Q1HK1

11.1V 5200mAh 6-cell lithium-ion replacement battery for HP laptops using part numbers 708457 708458 FP06 FP09 HSTNN-W99C HSTNN-YB4J

  • CompatibilityCompatible with HP 708457-001 708458-001 FP06 FP09 HSTNN-W99
  • Battery TypeLithium-Ion
  • 1 V output matches original HP specifications
  • 5200 mAh capacity extends runtime between charges
  • Six lithium-ion cells deliver stable power delivery
  • CE and RoHS certified for safety compliance
  • One-year replacement warranty covers manufacturing defects

HP 11.1V 5200mAh 6-Cell Battery

This replacement battery uses lithium-ion chemistry at 11.1 volts and delivers a 5200mAh capacity across six cells. It is designed for owners of compatible HP laptops who need a new power source that matches the original voltage and cell count. The unit carries CE and RoHS certification and is backed by a one-year warranty.

Sustained Load Behaviour

The lithium-ion cells are engineered to maintain consistent output during extended work or media sessions rather than only in short bursts. Premium cell selection aims to keep voltage stable as the charge depletes, reducing sudden shutdowns under continuous demand. Testing focuses on long-term reliability so the pack supports everyday usage patterns over time.

Build and Connectors

The pack is built to the same physical specification as the original HP 708457-001 and 708458-001 units, ensuring a direct fit without adapters or case modifications. Connectors align with the laptop's battery bay for effortless integration and a secure lock. Buyers who need a higher-capacity pack or a different voltage should look elsewhere, as this model is fixed at 5200mAh and 11.1V.

Highlights

  • 1 V output matches original HP specifications
  • 5200 mAh capacity extends runtime between charges
  • Six lithium-ion cells deliver stable power delivery
  • CE and RoHS certified for safety compliance
  • One-year replacement warranty covers manufacturing defects

Specifications

CompatibilityCompatible with HP 708457-001 708458-001 FP06 FP09 HSTNN-W99C HSTNN-YB4J
Battery TypeLithium-Ion

Questions about this item

How much heat does the 11.1V 5200mAh 6-cell lithium-ion battery generate when the laptop runs all day?

The battery uses standard lithium-ion chemistry and six cells; under normal load it warms slightly but stays within the thermal limits designed for the original HP chassis.

What must the laptop already have for this 708457 708458 replacement to fit and work?

The notebook must use one of the listed HP part numbers — 708457-001, 708458-001, FP06, FP09, HSTNN-W99C or HSTNN-YB4J — and accept an 11.1 V pack.

Will the 6-cell 5200mAh pack work alongside the original AC adapter and charging circuit in an older HP model?

Yes, the battery is built to the same 11.1 V specification and uses the same connector, so the existing charger and firmware manage it without changes.

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