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ThinkPad T420 Battery Replacement

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How to replace the battery in the ThinkPad T420/T420i.

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  1. ThinkPad T420 Battery Replacement, Unlock the battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 ThinkPad T420 Battery Replacement, Unlock the battery: crwdns2935265:01crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 ThinkPad T420 Battery Replacement, Unlock the battery: crwdns2935265:01crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • If completing a step like a clone of your old hard drive/SSD, DO NOT remove the battery until the process is complete!

    • Unlock the latch locking the battery in the laptop.

    • NOTE: To remove the battery, the tab must be held in to avoid having the lock reinitiate inside the laptop.

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  3. ThinkPad T420 Battery Replacement, Release the battery: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 ThinkPad T420 Battery Replacement, Release the battery: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 ThinkPad T420 Battery Replacement, Release the battery: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • After unlocking the battery, remove the battery from the reverse way it is installed to remove it from the laptop.

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To reassemble your device, follow these instructions in reverse order.

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