CWK New Replacement Laptop Notebook Battery for IBM Lenovo ThinkPad SL300 SL400 SL500 R60e R60i R500 T500 W500 R60 Lenovo/IBM Thinkpad T61 R61 Z61 SL300 42T4504 IBM Lenovo ThinkPad R60 T60p T61p Z61e IBM/Lenovo ThinkPad T60 T60P Z60M Z61E Z61M IBM Lenovo ThinkPad SL300 SL400 SL500 42t4504 IBM Lenovo Thinkpad R60 T60 T60p R61 T61 IBM/Lenovo T60,R60,Z60,T61,T60p 92P1141 92P1142 IBM LENOVO 92P1132 92P1133 92P1134 92P1138 IBM ThinkPad T60 T61p 8891 T61p 6459 6 CELL Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!