Introduction

If your Lenovo Flex 3-1580 is not holding a charge, not charging, or has a damaged battery, the purpose of this guide will explain how to replace the battery. With a new battery you'll notice a decrease in charging times and overall battery life. Review this troubleshooting guide before jumping to replace the battery first.

Warning: Power down your device completely by holding the power button for 5-10 seconds, then ground yourself by using an anti-static wrist strap connected to a grounded surface before handling any sensitive components. For a further explanation how to use the iFixit anti-static wristband please refer to this guide.

Batteries in Lenovo Flex products have not had any recall notices.

What you need

Step 1 Back Cover

Lenovo Flex 3-1580 Battery Replacement, Back Cover: step 1, image 1 of 1

Remove eleven 6.0 mm screws from the bottom cover using a JIS #1 screwdriver.

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Step 2

Loosen the backing cover by sliding a spudger along the edges.
You’ll hear and feel a pop as you loosen the edges. This lets you know the backing is loosening up.
Remove the bottom cover from the laptop.

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Step 3 Battery

Lenovo Flex 3-1580 Battery Replacement, Battery: step 3, image 1 of 2

Lenovo Flex 3-1580 Battery Replacement, Battery: step 3, image 2 of 2

Remove the two 2.5 screws from the battery using a JIS #0 screwdriver.

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Step 4

Lenovo Flex 3-1580 Battery Replacement: step 4, image 3 of 3

Disconnect the colorful cables at the top left of the battery from the motherboard.
With the battery unplugged, pull up from the top side and then slide out upwards.

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