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NinjaBatt Battery for HP 8440P 6550B TD06 482962-001 486296-001 8440W 6440B 6930P 6450B 6735B 6445B 6455B 6540B 6545B 6555B 6730B 6530B 6535B TD09 593578-001 High Performance [6 Cells/4400mAh]
NinjaBatt

Battery for HP 8440P 6550B TD06 482962-001 486296-001 8440W 6440B 6930P 6450B 6735B 6445B 6455B 6540B 6545B 6555B 6730B 6530B 6535B TD09 593578-001 High Performance [6 Cells/4400mAh]

By SpecPicks Editorial · Verified 2026-07-07

$29.99
Buy on Amazon — $29.99 Compare to similar games & cartridges

*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.

Bottom line: The Battery for HP 8440P 6550B TD06 482962-001 486296-001 8440W 6440B 6930P 6450B 6735B 6445B 6455B 6540B 6545B 6555B 6730B 6530B 6535B TD09 593578-001 High Performance [6 Cells/4400mAh] is a niche pick — read recent reviews before buying in the games & cartridges category, priced around $29.99. Read recent reviews carefully before committing.

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SpecPicks Verdict

SpecPicks classifies NinjaBatt Battery for HP 8440P 6550B TD06 482962-001 486296-001… as a niche pick — read recent reviews before buying in the games & cartridges category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. NinjaBatt's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for games & cartridges of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Backed by NinjaBatt's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • PREMIUM QUALITY REPLACEMENT NOTEBOOK BATTERY: Bring your laptop back to life with Ninjabatt's high quality laptop battery - Made of high quality materials, top grade battery cells and packed with safety features.
  • TRUE CHARGING CAPACITY THAT LASTS: Every one of our replacement notebook batteries are tested to meet OEM specifications. Our 6 cells Li-ion battery is rated at 48wH/4400mAh/10.8V - true charge capacity that won’t let you or your laptop down.
  • SAFETY FIRST: Don’t fall into buying cheap and unsafe batteries, our HP batteries are certified for safety and packed with a variety of safety features, including short circuit, overheat, and overload protections
  • HIGH QUALITY COMPONENTS & 12 MONTH WARRANTY: Our Laptop batteries are assembled from top quality material and circuit boards to ensure durability and performance. We only use grade A battery cells that provide up to 500 charging cycles. We’re so confident in the performance of our replacement laptop batteries that we’re including a 12-month warranty with every single purchase.
  • COMPATIBLE WITH THE ADDITIONAL FOLLOWING MODELS: 455771-001 455771-005 455771-007 458640-542 458640-542 463310-122 463310-124 463310-125 463310-141 463310-251 463310-542 463310-544 463310-724 463310-742 482961-001 484786-001 486295-001 486296-001 489961-001 491173-543 500350-001 500372-001 581972-001 581975-001 586030-001 586031-001 593578-001 593578-001 AT908AA HSTNN-C66C HSTNN-C68C HSTNN-CB69 HSTNN-I44C HSTNN-IB68 HSTNN-IB69 HSTNN-LB0E HSTNN-UB68 HSTNN-UB69 HSTNN-UB69 HSTNN-UB85 HSTNN-W42C

Full Specifications

BrandNinjaBatt
Voltage10.8 Volts
Model Name8440P 6550B
Unit Count1.0 Count
ReusabilityRechargeable
Model Number8440P 6550B
Battery Weight14 Ounces
Built-In MediaBattery Pack, Manual
Item Dimensions2 x 4 x 10 inches
Antenna LocationLaptop
Battery Capacity4400 Milliamp Hours
Battery Cell TypeLithium Ion
Number of Batteries1 Product Specific batteries required. (included)
Battery Cell CompositionLithium Ion

Ready to buy?

NinjaBatt Battery for HP 8440P 6550B TD06 482962-001 486296-001 8440W 6440B 6930P 6450B 6735B 6445B 6455B 6540B 6545B 6555B 6730B 6530B 6535B TD09 593578-001 High Performance [6 Cells/4400mAh] is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.

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NinjaBatt Battery for HP 8440P 6550B TD06 482962-001 486296-001 8440W 6440B 6930P 6450B 6735B 6445B 6455B 6540B 6545B 6555B 6730B 6530B 6535B TD09 593578-001 High Performance [6 Cells/4400mAh]
$29.99
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