AddOn Lenovo 57Y4545 Compatible 9-Cell Li-ion Battery 10.8V 8400mAh 9

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Technical Specifications

  • Description
  • General Information
  • Battery Information
  • Physical Characteristics
  • Miscellaneous

AddOn Lenovo 57Y4545 Compatible 9-Cell Li-ion Battery 10.8V 8400mAh 9


This is a Lenovo 57Y4545 compatible 9-Cell Li-ion 10.8V 8400mAh 91Wh battery specifically designed for Lenovo notebooks. With up to 8400mAh and 91Wh of power you can rely upon long lasting power be it for work or play. Our batteries mimic the OEM form factor so they fit properly with your notebook. Batteries are 100% tested and compatible with the intended system. Battery life depends on many factors including: available DRAM, screen brightness, applications, features, power management, battery condition and other user preferences. With our certification test program, we can guarantee your product will work right the first time. Our products are also guaranteed by federal law to not affect or void OEM warranties.

General Information
Manufacturer AddOn
Manufacturer Part Number 57Y4545-AA
Manufacturer Website Address
Brand Name AddOn
Product Model 57Y4545-AA
Product Name Lenovo 57Y4545 Compatible 9-CELL LI-ION Battery 10.8V 8400mAh 91Wh 27++
Product Type Battery
Battery Information
Application/Usage Notebook
Battery Rechargeable Yes
Battery Size Proprietary Battery Size
Battery Chemistry Lithium Ion (Li-Ion)
Battery Capacity 8400 mAh
Battery Energy 91 Wh
Number of Cells 9
Output Voltage 10.8 V DC
Physical Characteristics
Height 1.8"
Width 4"
Length 10"
Weight (Approximate) 1.50 lb

Lenovo ThinkPad Series Notebooks :

  • T410
  • T410i
  • T420
  • T510
  • T510i
  • T520
  • W510
  • W520 (Dual-Core)
  • W520 (Quad-Core)

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The items must arrive at our warehouse within 30 days of purchase. You must return items in their original condition to qualify for a full refund. We will issue a partial refund of up to 70 percent if returned items have been opened, used, or returned late. More Details

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** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.