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Lenovo ThinkPad T16 Gen 3 Battery Replacement

Introduction

Follow this guide to replace a dead or worn-out battery in your Lenovo ThinkPad T16 Gen 3 laptop.

The Lenovo model number for the battery is L23M4P70 for the 52.5Wh model and L23M4P71 or L23M4P72 for the 86Wh model.

What you need

  1. Lenovo ThinkPad T16 Gen 3 Battery Replacement, Prepare your laptop for disassembly: step 1, image 1 of 3 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Prepare your laptop for disassembly: step 1, image 2 of 3 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Prepare your laptop for disassembly: step 1, image 3 of 3

    • For your safety, discharge your battery below 25% before disassembling your laptop. A charged battery may catch fire if damaged. If your battery is swollen, take appropriate precautions.

    • Completely shut down your laptop (don't just put it in sleep mode) and disconnect all cables.

    • Flip the laptop upside-down, and rotate it so the screen hinge faces towards you.

    Edit

  2. Lenovo ThinkPad T16 Gen 3 Battery Replacement, Loosen the base cover screws: step 2, image 1 of 2 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Loosen the base cover screws: step 2, image 2 of 2

    • Use a Phillips screwdriver to fully loosen the seven captive screws securing the base cover.

    Edit

  4. Lenovo ThinkPad T16 Gen 3 Battery Replacement, Pry up the base cover: step 3, image 1 of 3 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Pry up the base cover: step 3, image 2 of 3 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Pry up the base cover: step 3, image 3 of 3

    • Insert your fingernail or an opening pick into the gap between the base cover and keyboard deck, next to one of the screen hinges.

    • Pry up the base cover until the clips unfasten.

    Edit

  5. Lenovo ThinkPad T16 Gen 3 Battery Replacement, Remove the base cover: step 4, image 1 of 2 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Remove the base cover: step 4, image 2 of 2

    • Grasp the base cover along the screen hinge edge and lift slowly to unfasten the remaining clips.

    • Lift and remove the base cover.

    • During reassembly, lay the base cover into the frame, inserting it into the tabs along the battery edge. Press down firmly around the perimeter to reengage all the clips.

    Edit

  6. Lenovo ThinkPad T16 Gen 3 Battery Replacement, Loosen the battery screws: step 5, image 1 of 2 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Loosen the battery screws: step 5, image 2 of 2

    • Because of the battery connector's design, the only way to disconnect the battery is by physically removing it.

    • Use a Phillips screwdriver to fully loosen the two captive screws securing the battery connector.

    Edit

  7. Lenovo ThinkPad T16 Gen 3 Battery Replacement, Remove the battery: step 6, image 1 of 3 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Remove the battery: step 6, image 2 of 3 Lenovo ThinkPad T16 Gen 3 Battery Replacement, Remove the battery: step 6, image 3 of 3

    • Lift the edge of the battery with the connector to disconnect it.

    • You may feel a little resistance from the battery connector as it disconnects—that's normal.

    • Remove the battery

    • During reassembly:

    • Slide the plastic tabs on the long edge of the battery into their recesses in the frame.

    • Lower the battery into place so the connector goes over its socket.

    Edit
Conclusion

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

Calibrate your newly installed battery after completing this guide.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

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Nick Schultz

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1 Guide Comment

5B11H56411 is the part number on Lenovo.com for the 86wh battery fyi

Bryce Wayne - Reply

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