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Lenovo IdeaPad 3-15IIL05 Battery Replacement

Introduction

Use this guide to replace a dead or malfunctioning battery in your Lenovo IdeaPad 3-15IIL05 laptop.

If you're unsure about the health of your battery, test it using Lenovo Diagnostics.

If your battery is swollen, take appropriate precautions.

What you need

  1. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Prepare your laptop for disassembly: step 1, image 1 of 2 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Prepare your laptop for disassembly: step 1, image 2 of 2

    • Allow your laptop's battery to drain below 25% before starting this repair—a charged battery may catch fire if damaged.

    • Unplug all cables and fully shut down your laptop.

    Edit

  2. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Unfasten the back cover: step 2, image 1 of 2 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Unfasten the back cover: step 2, image 2 of 2

    • Use a Phillips screwdriver to remove the ten screws securing the back cover:

    • Six 7.6 mm-long screws

    • Four 4.7 mm-long screws

    Edit

  3. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Insert an opening pick: step 3, image 1 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Insert an opening pick: step 3, image 2 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Insert an opening pick: step 3, image 3 of 3

    • Plastic clips secure the back cover to the frame. You'll hear and feel the clips release.

    • Insert the flat side of an opening pick between the top left corner of the back cover and frame.

    • Angle the pick down to about 45 degrees.

    Edit

  4. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the left clips: step 4, image 1 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the left clips: step 4, image 2 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the left clips: step 4, image 3 of 3

    • Keep the opening pick angled down at about 45 degrees while sliding it along the front and side edges to help release the clips.

    • Slide the pick to the bottom left corner of the laptop to release the left clips.

    Edit

  6. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the bottom clips: step 5, image 1 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the bottom clips: step 5, image 2 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the bottom clips: step 5, image 3 of 3

    • Slide the opening pick to the bottom right corner to release the bottom clips.

    Edit

  7. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the right clips: step 6, image 1 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the right clips: step 6, image 2 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the right clips: step 6, image 3 of 3

    • Slide the opening pick to the top right corner to release the right clips.

    Edit

  8. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Insert an opening pick: step 7, image 1 of 2 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Insert an opening pick: step 7, image 2 of 2

    • Insert the flat end of an opening pick between the back cover and frame, to the left of the right hinge.

    • Pry the back cover up with the pick to release the top right clips.

    • Leave the pick inserted next to the right hinge.

    Edit

  9. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the top clips: step 8, image 1 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the top clips: step 8, image 2 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Release the top clips: step 8, image 3 of 3

    • Angle the pick up to about 45 degrees.

    • Slide the opening pick to the top left corner to release the remaining clips.

    Edit

  10. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Remove the back cover: step 9, image 1 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Remove the back cover: step 9, image 2 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Remove the back cover: step 9, image 3 of 3

    • Remove the back cover.

    • During reassembly, lay the back cover on the frame and press firmly around the perimeter to engage all the clips.

    Edit

  11. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Disconnect the battery: step 10, image 1 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Disconnect the battery: step 10, image 2 of 3 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Disconnect the battery: step 10, image 3 of 3

    • Use the flat end of a spudger to gently push the battery connector out of its socket on the motherboard.

    Edit

  12. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Unfasten the battery: step 11, image 1 of 2 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Unfasten the battery: step 11, image 2 of 2

    • Use a Phillips screwdriver to remove the three 5.7 mm-long screws securing the battery.

    Edit

  13. Lenovo IdeaPad 3-15IIL05 Battery Replacement, Remove the battery: step 12, image 1 of 2 Lenovo IdeaPad 3-15IIL05 Battery Replacement, Remove the battery: step 12, image 2 of 2

    • Remove the battery.

    Edit
Conclusion

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

For optimal performance, calibrate your newly installed battery after completing this guide.

Check your repair by running hardware tests with Lenovo Diagnostics.

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.

2 other people completed this guide.

Author

Spencer Day

Member since: 09/14/22

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One Comment

Great instructions. Tools were perfect.

Stuwas - Reply

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