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Lenovo ThinkPad T400S Battery
Your Lenovo ThinkPad T400S battery makes your laptop portable which gives you the opportunity to use it inside, outside or anywhere your heart desires. It is OK to buy a battery with more milliamps, as it signifies that the battery can last for a longer period of time on one charge. What really is critical to a battery fitting your laptop is the physical size of the battery as well as the connection. Not all batteries are the same, be sure to check the size and model number in order to make sure it is similar to the old battery. The more power the battery has, the longer it will last on a single charge.
Major clues the li-ion battery should need replacing
- The laptop is unable to boot up when it is not plugged in
- The laptop lasts less than an hour before it shuts itself down
- The battery gets puffy and looks like it will explode
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