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ThinkPad Battery 55+ (6 Cell) and ThinkPad Battery 55++ (9 Cell) - Service parts

  • Description: A description of the product.
  • Geography: The geography where the product is available.
  • Marketing part number: The part number used for purchasing the product.
  • Replacement part number (FRU): The service part number for the product or one of the product's components.
DescriptionGeographyMarketing part numberReplacement part number (FRU)
ThinkPad Battery 55+ (6 Cell) Worldwide 57Y4185 (Discontinued, No longer available) 42T4797
42T4793
42T4791
42T4795
ThinkPad Battery 55++ (9 Cell) 57Y4186 (Discontinued, No longer available) 42T4803
42T4801
42T4799

iscontinued, no longer available: July 2012. Replaced by ThinkPad Battery 70+ (6 cell), ThinkPad Battery 70++

Additional product information
Overview - Features and specifications for your product
Lenovo Support: Batteries: Reference Guide - A list of other batteries
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.
All Day Computing (www.lenovo.com/alldaycomputing) - Information on batteries, including estimated battery life, and power adapters
Learn - How to use a marketing part number or replacement part number (FRU) when placing an order
Purchase parts online