Introduction
The DEEBOT model N97S did no longer hold a charge. Replacement batteries are sill readily found online and fairly easy to change,
Tools
Parts
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            Here is the DEEBOT DN622.11 also know as a N79S. 
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            Turn it over to have the underside exposed 
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            Locate the two Phillips head screws that hold the battery cover in place 
 
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            Unscrews the two Phillips head screws 
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            Remove the battery cover 
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            Note position of the battery in the battery compartment 
 
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            Lift the battery out of the compartment 
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            Disconnect the battery connector by squeezing the tab on the female end of the connector. The battery can now be replaced. 
 
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                            Conclusion
                          
                          To reassemble your Deebot, follow these instructions in reverse order.