Lenovo 300e Windows 2nd Gen Battery Replacement

Introduction

Before you start the repair, please power off your device. This is an extra security step to ensure that you don't experience any electrical mishaps during the repair. Failure to take this precaution may result in harm to yourself or the device.

Signs you might need this replacement:

The device won't charge or power on
Your battery appears puffy
Your device takes longer to charge
- This may be caused by your power supply.
Your device loses charge rapidly
The battery is very old

Ce dont vous avez besoin

Étape 1 Remove the back

Lenovo 300e Windows 2nd Gen Battery Replacement, Remove the back: étape 1, image 1 de 3

Lenovo 300e Windows 2nd Gen Battery Replacement, Remove the back: étape 1, image 2 de 3

Lenovo 300e Windows 2nd Gen Battery Replacement, Remove the back: étape 1, image 3 de 3

Use a screwdriver to remove all 9 screws at the bottom of the laptop.
Take off the panel and set it aside.
Some screws may not lift out of the casing. If this happens, just loosen every screw and lift the entire back off of the device.
The first image highlighting the screws was too big to fit. Some parts were cropped out.

Traduire

Étape 2 Unscrew the battery

Lenovo 300e Windows 2nd Gen Battery Replacement, Unscrew the battery: étape 2, image 1 de 1

Unscrew all four screws holding the battery in place. Set them aside.
Be sure to not puncture the battery. It may explode or catch fire if it is mistreated. Proceed with caution. Especially if your battery is puffy!

Traduire

Étape 3 Unplug the battery.

Lenovo 300e Windows 2nd Gen Battery Replacement, Unplug the battery.: étape 3, image 1 de 2

Lenovo 300e Windows 2nd Gen Battery Replacement, Unplug the battery.: étape 3, image 2 de 2

Be sure to not puncture the battery. It may explode or catch fire if it is mistreated. Proceed with caution. Especially if your battery is puffy!
Carefully unplug the battery from the device.

Traduire

Étape 4 Remove the battery.

Lenovo 300e Windows 2nd Gen Battery Replacement, Remove the battery.: étape 4, image 1 de 2

Lenovo 300e Windows 2nd Gen Battery Replacement, Remove the battery.: étape 4, image 2 de 2

Be sure to not puncture the battery. It may explode or catch fire if it is mistreated. Proceed with caution. Especially if your battery is puffy!
Carefully slide the batter toward you (Away from the motherboard, imagine you are in the perspective of the image)
Do not lift the battery directly. You might harm the wire going over the battery. Make sure you slide it out from under the wire before you completely remove it from the housing.