How to replace Dell 3521, XCMRD, Inspiron 14 15 17, 3421 and other Dell laptop model battery?

Introduction

After extended periods of time, laptop computer batteries will lose the ability to hold a charge and may need to be replaced with a new battery.

Part Required[Available in Box]:

Techie Compatible for 3521-4cells Laptop Battery

or

Techie Compatible for 3521-6cells Laptop Battery

Note: Don't remove the battery while working with the system. 

Step 1

Flip the laptop over.

Step 2

Slide the latches toward the outside of the laptop to unlock the battery.

Step 3

• Lift the battery out of the laptop.
• Replace the Battery with Techie Compitable 3521/5421 4 cells laptop battery or  Techie Compitable 3521/5421 6 cells laptop battery