BATTERY TECHNOLOGY- BTI 

BATTERY TECHNOLOGY- BTI HP-PB4520S BTI Notebook Battery

Mfg Part Number:  HP-PB4520S  
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Price: $80.30 + Free Shipping
Quantity:
More to Come
Last Updated: Jan 21, 2026
No Sales Tax except these states
, PO and Wire.
Main Specification
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 AA
Battery Size Proprietary Battery Size
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
    WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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