Dewalt Battery Says Fully Charged But Not Working - Web basically, when you see the tiny spark that tells you they're electrically connected, it resets the memory in the controller. Web it is not recommended to use a 3.7v battery instead of a 1.5v battery as they have different voltage outputs. To resolve power issues with your tool, remove the battery by pressing the release button. Place it in the charger for a. Web possible causes include battery wear, dirty contacts, protection circuit tripping, or faulty tool.
To resolve power issues with your tool, remove the battery by pressing the release button. Web possible causes include battery wear, dirty contacts, protection circuit tripping, or faulty tool. Place it in the charger for a. Web basically, when you see the tiny spark that tells you they're electrically connected, it resets the memory in the controller. Web it is not recommended to use a 3.7v battery instead of a 1.5v battery as they have different voltage outputs.