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Rectangular lithium-ion laptop battery black plastic casing 1.16 weight

Battery Technology Inc.

Battery Technology Inc. CQ-CQ62X9 laptop battery 10.8V 7800 mAh

SKU CH-4TJQ-3E4RG MPN CQ-CQ62X9

Lithium-ion 10.8 V 7800 mAh replacement battery for HP Compaq Presario CQ32 and CQ42 notebooks

  • Battery typeLithium-Ion
  • Battery voltage rating10.8 V
  • Battery capacity7,800 mAh
  • Product typeConsumer Electronics
  • Compatible withHP Compaq Presario Notebook Series: CQ32 CQ42
  • Product weight1.16
  • Compatible with HP Compaq Presario CQ32 and CQ42 notebooks
  • 7800 mAh lithium-ion capacity extends runtime between charges
  • 8 V output matches original equipment specification
  • Weighs 1.16 kg for easy portability
  • Brand-new condition ensures full performance from first use

Direct Replacement Battery

The BTI CQ-CQ62X9 is a new lithium-ion battery built for HP Compaq Presario CQ32 and CQ42 notebooks. It delivers 10.8V and 7800 mAh capacity to restore original runtime. Weighing 1.16 units, it fits the existing battery bay without modification.

Ready to Install

No separate charger, cable or software utility is bundled with this unit. The package contains only the battery itself, so the notebook’s existing power adapter and charging circuit handle all replenishment. There is no firmware update or calibration tool supplied.

Verify Model Compatibility

Confirm the exact notebook model is either CQ32 or CQ42 before ordering. The battery will not fit other Presario series or different HP lines. Check that the original battery voltage matches 10.8V and that the bay accepts a 1.16-weight unit.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $85.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameBTI
Model nameCQ-CQ62 × 9
Product typeConsumer Electronics
Power
Battery typeLithium-Ion
Battery voltage rating10.8 V
Battery capacity7,800 mAh
Size & build
Shipping weight0.91 kg
Package size305 × 102 × 57 mm
Compatibility
Compatible withHP Compaq Presario Notebook Series:
CQ32
CQ42

Questions about this item

Does the 7800 mAh Lithium-Ion cell require periodic calibration to maintain its reported capacity?

Lithium-Ion packs do not suffer from memory effect, so full discharge cycles are not required; occasional top-ups and avoiding deep storage at empty charge will preserve the 7800 mAh rating over the battery's service life.

What thermal limit protects the 10.8V pack during continuous high-drain use in a CQ42 notebook?

The internal protection circuit monitors cell temperature and will throttle or cut output if the pack exceeds its safe operating envelope, preventing damage during sustained loads.

How much heat and fan noise should I expect from this 1.16 kg battery when the laptop runs all day?

The battery itself generates minimal heat and no noise; any warmth or fan activity comes from the notebook's own cooling system managing the 10.8V discharge current.

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