TPE 5200mAh New Replacement Battery for IBM Lenovo ThinkPad T60 T61 T60p T61p R60 R61 R61i R60e R61e T500 W500 SL500 SL400, fit 92P1141 92P1140 42T4544 (Only for 14.1'', 15.0'', 15.4'') Battery type: Li-ion; Capacity: 5200mAh 58WH; Cells: 6-cell; Voltage: 11.1V. Use the keyboard shortcuts Ctrl+F or -F (Mac) to quickly crosscheck if your requested model is listed in the following Compatible Laptop Model List or Compatible Parts Number List. Up to 500 cycles service life, low self-discharge, no memory effect; Dual IC chips provide protection against short circuit, over-discharge, overcurrent. CE/FCC/RoHS certified for product safety. Grade A Cell ensures fast charging and low power consumption; Operation time for standard batteries(6-Cell, 4400mAh) can reach approx. 2 hours, but the actual operation time depends on how much electricity is required on your device. TPE only deals with brand new premium replacement batteries. We only use the highest quality cells inside the battery pack so you will have a long service life. Our inventory turns rapidly and you will always receive a freshly manufactured battery.