This will be a step-by-step guide to remove the battery assembly from the Nvidia Shield. This will need to be performed to install a new battery into the device. The user will not need any special skills beforehand to successfully remove the battery. The user can put the device back together with a new battery installed by following the steps in reverse. Replacing the battery in a Nvidia Shield can help improve the quality of the battery life of the product. If you notice the battery swelling or smoking, do not continue working on your device and back away to safety.