11.1V, 3600mAh, Li-ion Battery fits Lenovo, Thinkpad T420s, Thinkpad T420s 4171-a13, 39.96Wh

Battery Fits Models:- Thinkpad T420s, Thinkpad T420s 4171-a13, Thinkpad T420si

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Battery Part Numbers:- 0a36287, 0a36309, 42t4844, 42t4845, 42t4846, 42t4847, 45n1036, 45n1037, Asm 42t4846

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This battery should be the same or greater capacity than the original battery. The products we supply will work for the device that it is provided for and is built to last as long as the battery that came installed originally. If you are not sure which battery you need to order, contact us first. We can confirm the fitment for you. Please be prepared to give us as much data as possible to decide the best product for your device. If you are not sure which battery you need to order, contact us first. We can confirm the fitment for you. Please be prepared to give us as much data as possible to decide the best product for your device. Ensure that both your battery model and device are shown in the information tables below. Most of our products come with a one-year warranty unless otherwise stated. The one-year warranty that we offer covers any manufacturing defect. Please note that the warranty does not cover damages due to misuse of the battery nor diminishing run time due to normal wear and tear. If you look after your new battery and only charge the battery when it gets low, This will extend the battery's life. If the battery is charged too often, you will quickly use up the cycle life. All the batteries we supply by Cameron Sino are designed to be as long-lasting as the original OEM battery. Our ISO 9001 certified battery uses high-quality components, and each cells rating can be seen in the table above. Actual capacity and voltage may vary slightly from the original due to cell availability. This product is designed to replace batteries, as shown in the specifications table below. Special Remarks:- None at this timePlease make sure that the device manufacturer, The model number, and the battery part number are all listed in our product details. Some manufacturers have more than one battery type fitted in like models. We recommend that you remove the original battery before ordering to confirm this. If you are not sure, we may verify for you.Do not be alarmed if the Mah (Milliamp Hour) is greater or less than the original. This figure stated is an estimation of the battery's capacity to store charge and will not affect the original equipment or charging.