IBM laptop battery

IBM laptop battery comes in different types depending on the laptop model you are dealing with. You will also discover that almost all IBM laptop battery are Lithium batteries. They are the best, and they last longer than their counterparts. IBM laptop battery also fits into different compartible part numbers.

Different IBM laptop battery shown below.

IBM Thinkpad A20 series laptop battery.
This IBM laptop battery fit into compatible part numbers: 02K6619, 02K6617, 02K6614, 02K6640, 02K6618, or 02K6616.
The battery technology is Li-Ion, with 10.8 Volts 6600 mAh.

IBM Thinkpad A21, Thinkpad A22 series battery.
Thsi battery fits into compatible part numbers: 02K6743, 02K6740 or 02K6741.
The battery technology is also Li-Ion, with 10.8 Volts 4000 mAh.

IBM ThinkPad R30/31 Series
This IBM laptop battery uses a Li-Ion which is designed by Amstron, and it functions so well just as IMB original battery.

Amstron Li-Ion battery for IBM ThinkPad R50, T40 and T41
This lithium-ion battery is usable for IBM laptops R50, T40, and T41, and the battery is designed by Amstron. Batteries made by Amstron are 100% compatible, and guaranteed. It has also met IBM requirements.

All these batteries come in different capacity, and their prices also vary from each other.