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Lenovo ThinkPad T420SI Battery
Your Lenovo ThinkPad T420SI battery allows you to move freely about so as to work or play wherever you fancy. Buying a battery with a higher milliamp rating is fine, because it simply implies that the battery will last longer. What is truly important is the connection type and physical size of the battery. More amps in a battery basically means the longer you will be able to use the laptop on one charge. Because no battery is the same, make sure and double-check the part number of the new battery and compare it to the one you are going to replace.
General indicators that your Lenovo battery will not live much longer
- The laptop lasts less than half an hour before it shuts itself down
- The laptop battery gets puffy and looking like it is going to burst
- The unit does not turn on while not connected to the AC adapter
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Be sure to always buy replacement parts from a well-known website when you buy online. The Lenovo ThinkPad T420SI will be better off for buying the right part! Lenovo ThinkPad T420SI battery is best purchased in brand new condition for obvious reasons, including possible wear on an older one. Please be sure to re-check the OEM part number so you order the correct battery replacement.
Feel free to download your manual for help.
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