IBM Thinkpad X40 X41 Series Battery Replacement is rated at 14.4Volts, 4000mAh with 58WHr rating. Compatible part number: 92P0999, 92P1000, 92P1001, 92P1002, 92P1003, 92P1005, 92P1009, 92P1080, 92P1119, 92P1146, 92P1148, 92P0998, FRU92P1002, FRU92P1143, FRU92P1145, FRU92P1147, FRU92P1149, FRU92P1078, FRU92P0998. The IBM replacement laptop battery by MamBate is made using the highest quality cells available and utilize all of the proper logic boards, thermal protectors, thermistors and circuit breakers to ensure the highest levels of battery safety, reliability and efficiency,100% Original Manufacturer Compatible; also having the products liability insurance to ensure the quality of our batteries, you can have completed confidence on our products and rest assured to purchase with us! Lithium Ion (Li-Ion) Notebook Battery
