The laptop cannot run without the battery， as well as the power adapter. Do you have a good operation performance with your power adapter? If your answer is "no”， you might consider getting a new one for your laptop. ThisIBM Thinkpad Z60 T60 X60 R60 AC Adapter would be the best replacement. It adopts advanced technology and quality parts， power your notebook with this excellent adapter. It is great to protect the computer against unexpected power surge damages. And it comes with stable voltage and noise reduction. Come on! Order it now!                                    Features            Low interference !#!amp!*! noiseAdvanced technology and high qualityHigh efficiency and reliabilityShort circuit and over voltage protectionA durable and well-made Laptop Power Adapter guarantees long term use                                                            Specifications            Input    100-240V， 1.5A， 50/60Hz    <br>Output    20V， 3.25A    <br>Model    ST-C-070-20000325CT    <br>Dimensions    10.7 x 4.5 x 3cm/4.21 x 1.77 x 1.18inch(L x W x H)    <br>Weight    220g/7.76oz    <br>Interface Dimensions    5.5 x 7.9mm    <br>Line    Not included    <br>Power    65W    <br>                                                            Package Includes            1 x AC Adapter