How To Charge Kobalt 40v Battery Without Charger, Toggle the charger's voltage setting to match your mower's battery's voltage.
40V 6 Amp Rapid Charger - HART Tools
Hart Battery Not Charging - A Quick Fix! - Ice Age Tools
Got the chance to tear down all hart 40v packs. Surprised they put cheap generic cells in the $137 pack (not what I paid) : r/18650masterrace
Does anyone know what the blinking means, this is the second drill I bought and does the same thing, does it mean it's charging or do I need to replace something? :