Introduction
The battery should be replaced if it fails to hold a charge or appears to be corroded in any way.
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            Place the camera upside down on a hard surface such as a table. Make sure that the battery compartment is visible. 
 
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            Twist the nob counter-clockwise while pushing cover to the left. Then pull the cover up to reveal the battery. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.