How do you change battery in accurian portable speaker?

To change the battery in an Accurian portable speaker, first, ensure the device is powered off and unplugged. Locate the battery compartment, usually found on the back or bottom of the speaker, and open it by sliding or removing the cover. Carefully disconnect the old battery and replace it with a new one, making sure to connect the terminals correctly. Finally, close the battery compartment and power on the speaker to check if it functions properly.