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BTI

BTI Notebook Battery

$94.95
$79.28 SAVE $15.67
None availableas of 10/17/2026

Ships when available. Free shipping on most items when you spend $100 or more.

Special orders typically ship in 1-12 weeks.

Country of origin

  • Origin: China
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

4400 mAh - Lithium Ion (Li-Ion) - 10.8 V DC

  • With 4400 mAh capacity, the battery delivers a long lasting charge to your notebook
  • More environment-friendly as compared to the disposable ones
  • Smaller and lighter than other rechargeable batteries, proving ideal for portable devices
  • 10.8 V DC battery - Ensures a steady and uninterrupted supply to your notebook

Technical specifications

General Information

Manufacturer Battery Technology, Inc
Manufacturer Part Number HP-PB4520S
Manufacturer Website Address http://www.batterytech.com
Brand Name BTI
Product Model HP-PB4520S
Product Name Notebook Battery
Packaged Quantity 1
Product Type Battery

Battery Information

Application / Usage Notebook
Battery Rechargeable Yes
Battery Size Proprietary Battery SizeAA
Battery Chemistry Lithium Ion (Li-Ion)
Battery Capacity 4400 mAh
Number of Cells 6
Output Voltage 10.8 V DC

Physical Characteristics

Weight (Approximate) 1 lb

Miscellaneous

Compatible to OEM Part Number
  • 593573-001
  • BQ350AA#ABA
Compatibility
  • HP - COMPAQ PROBOOK 4420S
  • HP - COMPAQ PROBOOK 4425S
  • HP - COMPAQ PROBOOK 4525S
  • HP - COMPAQ 326
  • HP - COMPAQ 421
  • HP - COMPAQ PROBOOK 4320S
  • HP - COMPAQ PROBOOK 4320T
  • HP - COMPAQ PROBOOK 4321S
  • HP - COMPAQ PROBOOK 4326S
  • HP - COMPAQ 620
  • HP - COMPAQ 621
  • HP - COMPAQ 625
  • HP - COMPAQ PROBOOK 593572-001
  • HP - COMPAQ 320
  • HP - COMPAQ 321
  • HP - COMPAQ 325
  • HP - COMPAQ PROBOOK 4421S
  • HP - COMPAQ PROBOOK 4520S
  • HP - COMPAQ 420
  • HP - COMPAQ 425
Country of Origin China

Warranty

Limited Warranty 18 Month

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Special order item. This item ships direct from the manufacturer and cannot be cancelled once ordered. If you have any questions before ordering, ask us first: chat with us or call 1-800-692-8757.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.