This is a brand new Extended Run IBM Thinkpad replacement battery. This long run battery will run at least 50% longer than the standard capacity battery that ships standard with your laptop. The added run time is achieved with an additional 3 cells inside the cartridge.

Note: This battery is going to be larger than the original battery and will protrude to the rear of the laptop but will not be noticed when the screen is open. Users of this battery pack experience an additional 1-2 hours of run time over the standard battery. Estimated run time with this battery is 3-5 hours. This battery is only for the standard screen ONLY if you have the widescreen version this battery will NOT work. Click here to view the widescreen version. Longer run times can be achieved by minimizing the power use, especially the screen brightness.

The superior South Korean cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your IBM Thinkpad laptop computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

Not all computer batteries have the same capacity and run times. The higher capacity battery cells inside this cartridge have an energy capacity of 7800 mAh. These are the highest capacity Li-ion batteries on the market today and superior to batteries rated at 6600 & 7800 mAh. This battery will deliver 20% more run time than cheaper 9 cell versions and 77% more run time than cheaper 6 cell versions of this battery. If you prefer the 6 cell battery, click here for the standard 6 cell battery IBM Thinkpad (our IBM-58).