Replacement 4400mAh IBM ThinkPad X21 Battery

Replacement IBM ThinkPad X21 Battery (4400mAh) is specially designed for the original IBM ThinkPad X21 Laptop battery. Brand new IBM X21 Battery, with UL, CE, ISO9001:9002 certification, 1 year warranty.compatible with IBM 02K6651

Capacity : 4400mAh
Voltage : 10.8V
Cell Type : Li-Ion
Color : black
Dimension : 208.60*53.20*20.50?mm

AU $

Wholesale IBM ThinkPad X21 Battery Price List:

Quantity	Unit Price (AU$)
2-5
6-10
11-30
Order More? Contact Us

Product Warranty

100% compatible with OEM ibm laptop battery
No memory effect. Chargeable even if it has not been used up yet
full 1 year warranty.
30 day money back guarantee

Replacement for The Following Battery Code:

IBM:02K6651,02K6652,02K6678,02K6712,02K6837,02K6838,02K6839,02K6850,08K8024

Work With The Following Laptop Models:

IBM ThinkPad X20, IBM ThinkPad X21, IBM ThinkPad X22, IBM ThinkPad X23

Tips to Extend Your Battery Life

Short ibm laptop battery life in a laptop is mainly cause by heat rather than charge / discharge patterns. Try to avoid frequent full discharging of the Lithium battery.
For lithium battery for ibm thinkpad x21 meter calibration,periodically do a full battery discharge, every 30 charges, to increase meter accuracy.
Another enemy of ibm laptop battery life is heat. Avoid heat, heat is the Lithium battery's enemy, the temperature in a car can easily rise 50F in a single hour, in some cases reaching 140F. Keep the ibm x21 battery cool. Avoid a hot car.
An LED display. Although pricey, LEDs use much less power than LCD.
A smaller screen. A smaller screen means a smaller backlight, which will also save on ibm thinkpad x21 battery drain.