Li-ion IBM Thinkpad X21 Battery

This battery have two packs,fit modle:IBM Thinkpad XSeries X20 X21 X22 X23 X24 Series
IBM Laptop Batteries .co.uk is a professional IBM laptop battery online shop for Thinkpad battery with excellent quality and fast shipping in UK !If you have any question about Thinkpad X21 battery,please feel free to contact us.

VAT: Free

Chemistry: Li-ion
Volts: 11.1V
Capacity: 4400mAh
Dimension: 208.80x50.84x19.50mm
Net Weight: 293.00g
Note:1 Year Warranty, 30 days money back

Better together

Buy IBM Thinkpad X21 Battery 4400mAhand DC Adapter 70W Together(save £1.00!)

IBM Thinkpad X21 4400mAh Compatible Thinkpad Battery Code:

APS BL1145
Fedco L18650-6TPX
IBM 02K6651
IBM 02K6652
IBM 02K6653
IBM 02K6678
IBM 02K6679
IBM 02K6758
IBM 02K6759
IBM 02K6760
IBM 02K6761
IBM 02K6837
IBM 02K6838
IBM 02K6839
IBM 02K6845
IBM 02K6846
IBM 02K6852
IBM 02K6854
IBM 08K8024
IBM FRU 02K6652
IBM FRU02K6653
IBM IB-X/L
IBM 02K6710

Thinkpa X21 4400 mAh Compatible Thinkpad Battery:

IBM THINKPAD X SERIES
IBM THINKPAD X20 SERIES
IBM THINKPAD X21 SERIES
IBM THINKPAD X22 SERIES
IBM THINKPAD X23 SERIES
IBM THINKPAD X24 SERIES

How to charge New IBM laptop Battery?

All of our IBM laptop battery are have passed stringent quality assurance procedures and achieve international standards CE, UL Listed, and/or ISO9001/9002 certification. NOt satisfied return the product(s) to us within 30 days

On the first charge, your IBM laptop battery may indicate that charging is complete after a short period of around 15 mins. This is to be expected - simply remove the IBM Thinkpad X21 Batteries from the laptop and repeat the charging procedure. You should then use your laptop - WITHOUT the assistance of mains power, until the battery completely runs down. it is very important see why ?

Repeat the above procedure around 4 times in total over the course of the next few days - make sure you allow you IBM ThinkPad Battery sufficient time to get a full charge, normally an overnight charge will suffice.

When the IBM ThinkPad Battery is fully conditioned, the battery charger indicators and LEDs on your laptop and charger will work reliably. Also - as the battery will be taking on much more charge, the total charge time will be longer.

Occasional Maintenance

Simply run your unit until it’s FULLY discharged and then fully charge again. After extended periods of non-use, you should do the same. Lots of little charges followed by partial discharge will decrease the life, performance and capacity - in reality though, this is how laptops are usually used and this may be unavoidable

If you are unsure about the compatibility of the batteries, please click here to contact us