In this guide we will be showing you how to replace the battery on your Dell Inspiron 1525. You don't need any tools for this process.
Flip the computer upside down and locate the battery release switch.
Slide and hold the switch away from the lock symbol to release the battery lock.
Grip the battery and gently pull it away from the rest of the device. You can now let go of the battery release switch and let it return to its original position.