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Rectangular black 9-cell lithium-ion laptop battery with HP branding

HP

HP 633809-001 9-cell lithium-ion laptop battery 7800mAh 11.1V 93WHR

SKU CH-808J-56E5V MPN 633809-001

Nine-cell lithium-ion laptop battery delivering 7800 mAh at 11.1 V for 93 Wh capacity

  • TypeBattery
  • CompatibilityPart Numbers: PBH443 PBH444 QK646AA 633807-001 633805-001
  • Battery Type9 Cell Lithium-Ion
  • Battery Voltage11.1V
  • Battery Capacity7800mAh
  • FeaturesHP OEM New Battery, 9 Cell, LI-ION, 93WHR
  • Extended runtime from 7800mAh 9-cell lithium-ion capacity
  • Reliable 11.1V power delivery for compatible HP notebooks
  • 93WHR energy rating supports longer unplugged sessions
  • Genuine HP OEM part matches PBH443 PBH444 QK646AA 633807-001 633805-001
  • Lightweight 1.1 lbs design keeps laptop portable

Product Identity

This is a 9-cell lithium-ion replacement battery rated at 7800mAh and 11.1V, delivering 93WHR of energy for compatible HP laptops. It weighs 1.1 lbs and carries part number 633809-001. The unit is new and built to original equipment specifications.

Fit and Exclusions

It suits owners of HP notebooks that accept part numbers PBH443, PBH444, QK646AA, 633807-001 or 633805-001 and who want a factory-type 9-cell pack. Buyers whose machine requires a different voltage, a 6-cell form factor, or a proprietary connector not listed here should look elsewhere.

Deciding Specification

The critical match is the 11.1V output combined with the exact part-number cross-reference list; if your service manual calls for 633809-001 or one of its listed equivalents, this battery will fit and function correctly.

Highlights

  • Extended runtime from 7800mAh 9-cell lithium-ion capacity
  • Reliable 11.1V power delivery for compatible HP notebooks
  • 93WHR energy rating supports longer unplugged sessions
  • Genuine HP OEM part matches PBH443 PBH444 QK646AA 633807-001 633805-001
  • Lightweight 1.1 lbs design keeps laptop portable

Specifications

BrandHP
Model633809-001
TypeBattery
CompatibilityPart Numbers: PBH443 PBH444 QK646AA 633807-001 633805-001
Battery Type9 Cell Lithium-Ion
Battery Voltage11.1V
Battery Capacity7800mAh
FeaturesHP OEM New Battery, 9 Cell, LI-ION, 93WHR
Weight1.1 lbs.
Shipping weight0.45 kg
Package size305 × 229 × 51 mm

Questions about this item

How many charge cycles before the 9-cell lithium-ion battery needs replacement?

Lithium-ion cells in this 93 Wh pack gradually lose capacity; plan to replace the battery when runtime no longer meets your needs.

What limits runtime first during continuous use — the 7800 mAh capacity or the 11.1 V output?

The 7800 mAh capacity determines how long the battery can supply power before it must be recharged.

Does the 1.1 lb battery generate noticeable heat or fan noise when powering the laptop all day?

The battery itself runs silently and produces only modest warmth; any fan noise comes from the laptop, not the pack.

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