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Fujitsu LIFEBOOK T4020D Battery
Your Fujitsu LIFEBOOK T4020D battery makes your laptop portable so that you can use it anywhere you please. More amps in a battery basically means the longer it will last when fully charged. Getting a battery with a higher amp rating is OK, as it suggests the battery will last a bit longer on one charge. What really is critical to a battery fitting your laptop is the connection type and physical size of the battery. Because no battery is the same, be sure to check the part number of the new battery and compare it to the old one.
Simple signals your battery is dying
- The laptop does not last longer than 45 minutes while unplugged
- The laptop battery has its case swollen and looks like it will explode
- The laptop is unable to boot up when it is unplugged
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