ThinkPad Advance Ultrabay Battery - Overview

ThinkPad Advanced UltraBay Batter

Features and specifications

The ThinkPad Advanced Ultrabay Battery (40Y6789) features:

  • Lithium-Polymer technology
  • Three cell rechargeable bay battery that operates and recharges in Ultrabay
  • Extended unplugged usage time
  • Output voltage: 10.8 V dc (nominal)
  • Battery Performance Amp-Hour: 2.7Ah
  • Battery Performance Watt-Hour: 29Wh

Note: When operating on ac power, the system battery will be recharged first, then the Ultrabay battery.


1 year Limited – customer carry-in exchange

  • Availability Date: September 2005
  • Withdrawn from Marketing Date: June 2008

Hardware compatibility
DescriptionMachine - Models
ThinkPad R60
ThinkPad T60/T60p
ThinkPad X60*
ThinkPad X60s*
ThinkPad Z60t, Z60m, Z61t, Z61m


  • Battery
  • Publication

Agency approvals
CE MARK, UL-1950, C-UL, ACA/C-Tick

Additional product information
Service parts - Parts listing for your product

User's guide - Instruction manual 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 ( - Information on batteries, including estimated battery life, and power adapters

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Pays Disponibilité
ID document : PD009623
Legacy Document ID : MIGR-61222
Dernière mise à jour :
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