Product DescriptionIBM Thinkpad i1400, i1500 series Laptop Battery.
Also fits Acer Extensa 501, 502, 503 and 505 series.
Fits with compatible part numbers: 02K6524, 02K6526, B-5627, BLP1149, LBCIB3, or 02K6525.
Please look up the bottom of your computer and find the "TYPE" no. If it starts with 2611-??? this is the right battery for your laptop.
Battery Technology: Ni-MH, 9.6 volts 3500 mAh.
Warranty : 90day