fireplace Luster Peruse how to fix ryobi 40v battery Setting Expansion volume
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Ryobi defective 40v battery. Charger or battery issue? I notice there are 4 prongs/terminals on the battery itself and only 3 on the charging dock (see photo). Is there a prong/terminal missing
Tim's Tips #49 - Reset and balance a Ryobi 40V battery - Nov 17, 2020 - YouTube