AGPtek 9 Cell 7200 mAh Replacement Battery for Select IBM Lenovo ThinkPads [Voltage(V)] 10.8V [Capacity(mAh)] 7200mAh [Cells] 9cells [Dimension(mm)] 224.20*76.50*32.80 [N.W(g)] 470g [Color] Black [Type] Li-ion Replacement For:42T5225 42T5227 42T5262 42T5264 42T5229 41U3197 42t5263 42t5230 43R2499 42T4530 42T4531 Fit Machine Models:IBM ThinkPad R61 Series, ThinkPad T61 Series, ThinkPad R61i Series, ThinkPad R61e, ThinkPad T400, ThinkPad R400 Please Make Sure That The Battery Part Numbers Listed In The Description Matches The Battery Part Number Which Locate On The Back Of Your Battery The AGPtek Battery come with Full 1 Year warranty,Batteries are in high grade quality and certified by CE and RoHS