This is a brand new IBM Thinkpad T41 battery. This Thinkpad T41 battery also replaces the IBM Thinkpad T40 T41 T42 T43 R50 R51 R52 R50e R50p series laptops.

This means you can recharge your laptop any time without diminishing your battery capacity. This Thinkpad T41 battery replacement is typically superior to the original battery and is 100% compatible with your IBM ThinkPad notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 2 hours to 2-1/2 hours of run time with this Thinkpad T41 battery when new, depending on your energy use. If you are looking for even longer battery run times, check out our extended run battery for your IBM laptop (our IBM-51XT).