Choose Your Product
No Product SelectedSelect Product
ThinkPad 390/i Series 1720 Li-Ion Battery - Overview

At a glance

The ThinkPad 390/I Series Li-Ion Battery provides rechargeable battery for backup purposes. A battery pack can be installed in the dedicated slot and/or the combo device bay.
1 year limited Customer Carry-In Exchange
One box containing:

  • Battery
  • Publications
Marketing and FRU Part Numbers
Marketing part number -> 02K6513
FRU part number -> 11J8923
Worldwide Retail information:
Retail Model Number -> TP513
Product Dates
Announce Date-> 03 Nov 1998
Planned Availability Date-> 03 Nov 1998
Effective Withdrawal Date-> 18 Dec 2001
Technical Specifications
Performance Specifications as known at time of announcement:
Capacity: 51.8Wh
Cells: (9) 1600mAh 3.6V
Charging current: 1.0A with the system on, 3.0A with the system off.
Charge time: 6 hours max with the system on, 3 hours max with the system off.
Digital interface: SMBus 1.0
Output voltage: 10.8V
Shock: 40G, 30ms
System discharge efficiency: 46.7Wh (90%)
Vibration(Random RMS): 0.67G(5-500Hz)
Physical, Environmental, and Compatibility Specifications as known at time of announcement:
Weight: * lbs (450 g)
Height: 1.18 inches (30.0 mm)
Width: 3.54 inches (90.0 mm)
Depth: 5.70 inches (145.0 mm)
Operating Temperature:
  • low of 10 degrees Celcius to a high of 40 degrees Celcius (rapid charging)
  • low of 0 degrees Celcius to a high of 60 degrees Celcius (discharging)
Relative Operating Humidity: low of 8% to a high of 95%
Agency Approvals:
  • FCC PART 15
  • VCCI Class-2
  • MPR-2
  • UL-1950
  • C-UL
  • NOM
  • SMA
  • MOC
ENERGY STAR-Compliant: * . The ENERGY STAR emblem does not represent EPA endorsement of any product or service.
Hardware Requirements
This battery is supported on all models of the following systems:
  • ThinkPad 390 (2626)
  • ThinkPad i Series 1720 (2627)
Limitations: Some configurations may not be supported.

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

Country Availability
Document ID : PD004446
Legacy Document ID : LWIK-3ZUJ48
Last Updated :
Copyright © Lenovo 2013, all rights reserved
Was this page helpful to you?YesNo

Select Task
Drivers & Software  
Guides & Manuals  
Diagnose & Fix  
Warranty & Services  

Support Help Index
Warranty Lookup
Product Detail
Technical Specifications - PSREF
Driver Matrix
KnowledgeBase Featured Articles
Community KnowledgeBase
Community Forums
Lenovo EMC
Windows 8 Support