IBM Lenovo Thinkpad R61 R61i R61e T61 T400 R400 Series (14-inch wide) Battery Replacement is rated at 10.8Volts, 4400mAh with 48WHr rating, Compatible part number: 42T5225, 43R2499, 42T4530, 42T4531, 42T5227, 42T5262, 42T5264, 42T5229, 41U3197, 42t5263, 42t5230, 41U3197. The IBM/Lenovo replacement laptop battery 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
