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AXIOM MEMORY QK646AA-AX Axiom Notebook Battery - 6-Cell Li-Ion Rechargeable - Compatible with HP ProBook 4430s/4530s/4540s Series

SKU: QK646AA-AX
UPC: 845282080209
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MSRP: $148.92
$148.95
$127.95
Save: $20.97 (14.08%)
Warranty Information: Covered by Manufacturer
Condition: New
Width: 26.50 (cm)
Height: 2.00 (cm)
Depth: 4.50 (cm)
Availability: Canada: Final Units Available
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Product Features

Description

Product Overview

The Axiom QK646AA-AX notebook battery is a high-quality replacement power solution designed for HP ProBook business laptops. This rechargeable lithium-ion battery delivers reliable performance with a proprietary form factor that ensures a precise fit for compatible models.

Engineered for durability and efficiency, it supports extended mobile productivity by providing consistent power delivery. The battery is RoHS compliant, meeting environmental standards for reduced hazardous substances, and is built to integrate seamlessly with your existing HP ProBook system.

Relevant factors for this section include Application/Usage, Battery Rechargeable, Battery Size, Height. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

Dimensions
Width
10.43" (265 mm)
Depth
1.77" (45 mm)
Height
0.79" (20 mm)
Weight
14.50 oz (410.95 g)
Battery Specifications
ChemistryLithium Ion (Li-Ion)
Number of Cells6
RechargeableYes
Compatibility
Brand CompatibilityHP
OEM Part NumbersQK646AA, QK646UT, 633805-001
Compatible ModelsHP ProBook 4430s, 4530s, 4535s, 4540s, 4545s, 4440s, 4441s
Physical Profile
Dimensions10.43" x 1.77" x 0.79" (265 x 45 x 20 mm)
Weight14.50 oz (410.95 g)
Battery SizeProprietary Battery Size

Technical Overview

This battery utilizes advanced lithium-ion technology with six cells, offering a balance of capacity and weight for portable computing. The proprietary size is tailored to fit specific HP ProBook chassis, ensuring secure installation and optimal thermal management.

With dimensions of 10.43 inches in width, 1.77 inches in depth, and 0.79 inches in height, it maintains a compact profile that aligns with notebook design standards. The approximate weight of 14.50 ounces contributes to overall portability without compromising on power endurance.

Relevant factors for this section include Application/Usage, Battery Rechargeable, Battery Size, Height. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.

A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.

Cell Count6
Weight14.50 oz
RoHS ComplianceYes
Li-Ion ChemistryProprietary FitRechargeable

Key Product Advantages

The Axiom QK646AA-AX battery provides several practical benefits for business and mobile users. Its design focuses on compatibility, performance, and environmental responsibility, making it a dependable choice for notebook power needs.

Enhanced Portability

Weighing just over 14 ounces, this battery is lighter than many alternatives, reducing overall notebook weight for easier transport during travel or daily commutes.

  • Compact dimensions support slim notebook profiles
  • Proprietary size ensures no bulk or misalignment

Reliable Power Delivery

With six lithium-ion cells, it offers stable voltage output and longer runtimes per charge compared to disposable options, supporting uninterrupted work sessions.

  • Rechargeable design reduces waste and cost over time
  • Consistent performance across charge cycles

Seamless Compatibility

Direct replacement for OEM part numbers QK646AA, QK646UT, and 633805-001, fitting HP ProBook 4430s, 4530s, 4540s, and related series without modification.

  • Tested for fit and function in compatible models
  • Brand-specific engineering for HP systems

Deployment / Use Cases

This battery is ideal for businesses and individuals using HP ProBook laptops in environments where mobility and reliability are critical. It serves as a direct upgrade or replacement for aging or depleted batteries, restoring full portable functionality.

Common use cases include corporate fleets of HP ProBooks, educational institutions with standardized laptop deployments, and remote workers who depend on consistent battery life for productivity. Its environmental compliance also makes it suitable for organizations with green procurement policies.

Business Notebook Refresh

Replace worn-out batteries in HP ProBook 4430s or 4530s series laptops to extend device lifespan and maintain employee productivity without full system replacement.

Mobile Workforce Support

Provide reliable power for sales teams, field technicians, or consultants using HP ProBooks on the go, ensuring they can work through meetings or travel without power interruptions.

Physical Profile

The battery features a slim design with a height of 0.79 inches, width of 10.43 inches, and depth of 1.77 inches, engineered to fit precisely within HP ProBook battery compartments. Its proprietary size avoids generic fit issues, and the lightweight construction at 14.50 ounces helps maintain notebook portability. The form factor supports easy installation and removal, with a finish that matches OEM aesthetics for a seamless look.

Dimensions
Width
10.43" (265 mm)
Depth
1.77" (45 mm)
Height
0.79" (20 mm)
Weight
14.50 oz (410.95 g)
[custom-highlights]

Highlights

  • Rechargeable lithium-ion battery with six cells for extended notebook runtime
  • Compatible with HP ProBook 4430s, 4530s, 4535s, 4540s, 4545s, 4440s, and 4441s models
  • Direct replacement for OEM part numbers QK646AA, QK646UT, and 633805-001
  • Proprietary battery size ensures exact fit and secure installation
  • Compact dimensions: 10.43" x 1.77" x 0.79" (265 x 45 x 20 mm)
  • Lightweight at 14.50 oz (410.95 g) for enhanced portability
  • RoHS compliant, meeting environmental standards for hazardous substances
  • Ideal for business, education, and mobile workforce deployments
[/custom-highlights][custom-specifications]

Specifications

Specifications
ManufacturerAxiom Memory Solutions
Manufacturer Part NumberQK646AA-AX
Brand NameAxiom
Product NameNotebook Battery
Product TypeBattery
Battery Information
Application/UsageNotebook
Battery RechargeableYes
Battery SizeProprietary Battery Size
Battery ChemistryLithium Ion (Li-Ion)
Number of Cells6
Physical Characteristics
Height0.79" (20 mm)
Width10.43" (265 mm)
Depth1.77" (45 mm)
Weight (Approximate)14.50 oz (410.95 g)
Miscellaneous
Compatible to OEM Part NumberQK646AA QK646UT 633805-001
Brand CompatibilityHP
CompatibilityHP-Compaq - ProBook 4430s HP-Compaq - ProBook 4530s HP-Compaq - ProBook 4535s HP-Compaq - ProBook 4540s HP-Compaq - ProBook 4545s HP-Compaq - ProBook 4440s HP-Compaq - ProBook 4441s
Environmentally FriendlyYes
Environmental ComplianceRestriction of Hazardous Substances (RoHS)
[/custom-specifications][custom-faq]

FAQ

What HP notebook models is this battery compatible with?

This Axiom battery is compatible with HP ProBook 4430s, 4530s, 4535s, 4540s, 4545s, 4440s, and 4441s models. It serves as a direct replacement for OEM part numbers QK646AA, QK646UT, and 633805-001, ensuring a precise fit and reliable performance in these specific business laptop series.

Is this battery rechargeable, and what is its chemistry?

Yes, this is a rechargeable battery using lithium-ion (Li-Ion) chemistry with six cells. This technology provides stable power output, longer lifespan per charge cycle compared to disposable options, and supports repeated recharging for sustained use in portable computing environments.

What are the physical dimensions and weight of this battery?

The battery measures 10.43 inches in width, 1.77 inches in depth, and 0.79 inches in height (265 x 45 x 20 mm), with an approximate weight of 14.50 ounces (410.95 grams). Its proprietary size and lightweight design ensure it fits correctly within compatible HP ProBooks without adding unnecessary bulk.

Does this battery meet any environmental standards?

Yes, this battery is RoHS (Restriction of Hazardous Substances) compliant, meaning it adheres to regulations limiting the use of specific hazardous materials in electronic products. This makes it an environmentally friendly choice for organizations focused on sustainable procurement and reduced ecological impact.

How does this battery compare to OEM batteries in terms of fit?

This Axiom battery is engineered with a proprietary size that matches OEM specifications for compatible HP ProBook models. It is designed to fit precisely into the battery compartment, offering the same secure installation and alignment as original batteries, without requiring modifications or adapters.

What are typical use cases for this notebook battery?

Common use cases include replacing depleted batteries in corporate HP ProBook fleets, supporting mobile workers like sales teams or field technicians who need reliable power on the go, and extending the lifespan of educational or business laptops. Its compatibility and rechargeable design make it suitable for environments where uptime and portability are priorities.

[/custom-faq]
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AXIOM MEMORY QK646AA-AX Axiom Notebook Battery - 6-Cell Li-Ion Rechargeable - Compatible with HP ProBook 4430s/4530s/4540s Series
MSRP: $148.92
$148.95
$127.95
Save: $20.97 (14.08%)
Available & Ready to Ship