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ThinkPad R30, R31, R32 1 Li-Ion Battery - Overview

r series batter

At a glance

  • The ThinkPad R30, R31, R32 Li-Ion Battery (02K6821, 02K6829) is a rechargeable system battery for the ThinkPad R30 Series. Spare system batteries can replace the original battery or be easily swapped in to extend the unplugged computing time of the ThinkPad. This battery option contains six cells providing an output of 10.8 V. It can be recharged in as little as 3.0 to 3.5 hours, depending on the Thinkpad system usage while recharging.
  • The ThinkPad R30, R31, R32 Li-Ion Battery features:
    • 2.5 to 3.0 hours battery life depending on the ThinkPad model (without recharge)
    • Over-discharge protection
    • Li-Ion technology
    • Six cells


1 year Limited - customer carry-in exchange


You will receive one box containing the following items:

  • Battery
  • Publication

Product dates

  • Availability Date: October 2001
  • Discontinued, withdrawn from marketing: May 2008

Technical specifications

  • Battery life: 2.5 to 3.0 hours without recharge
  • Output voltage: 10.8 V dc (nominal)
  • Charging current: 2.8 A (system on or off)
  • Charge time
    • Power off: 3.0 hours
    • Power on: 3.5 hours


  • lbs: .72
  • g: 327
  • inches: .81
  • mm: 20.5
  • inches: 2.35
  • mm: 85.2
  • inches: 5.94
  • mm: 151

Operating temperature

  • between 5 degrees Celsius and 35 degrees Celsius
  • between 41 degrees Fahrenheit and 95 degrees Fahrenheit

Relative humidity

  • Operating: between 10% and 80% (non-condensing)

Agency approvals

  • CE MARK, UL, C-UL, C-Tick

Hardware compatibility

Description Machine Type - Models
ThinkPad R30, R31, R32All

Related Information:

Service parts
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

Staat Verfügbarkeit
Dokument-ID : PD000631
Legacy Document ID : MIGR-39744
Zuletzt aktualisiert :
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