Battery for IBM Thinkpad T520 ThinkPad T30 ThinkPad R500 ThinkPad X300 Thinkpad T510 ThinkPad R61i ThinkPad R52 ThinkPad T42 02K6541 02K6572 02K7075 02K7078 02K7087 08K8050 08K8216 92P0986 92P0991

Battery Specifications Type: Li-ion Weight: 60.0g Dimension: 20.0*20.0*3.8mm MPN: CS-IBR500BU Voltage: 3.0V Rate: 0.6Wh - Compatible Brand: IBM - Compatible Model: Thinkpad T520 ThinkPad T30 ThinkPad R500 ThinkPad X300 Thinkpad T510 ThinkPad R61i ThinkPad R52 ThinkPad T42 - Compatible Battery Part Number: 02K6541 02K6572 02K7075 02K7078 02K7087 08K8050 08K8216 92P0986 92P0991 - RoHS approved for toxic free. - CE and ISO9001 Certificate for quality assurance. Tips Before Purchase Please confirm the compatible model and battery part number carefully before you purchase it. If you are not sure, please send email to us with your battery details or pictures, we will give you professional suggestions.