Introduction
Having issues with your battery? This guide can assist you in accessing and replacing the battery for the Olympus TG-820 iHS camera.
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            Locate the two latches on the battery compartment. 
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            First, move the "lock" switch left to reveal red indicator. 
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            Next, move the "cover latch" switch downward to reveal red indicator. 
 
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            Allow the battery compartment latch to completely open. 
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            Insert battery with the writing face up. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.