It seems that over a month period of time, that my center pieces on the batteries are gettin pushed down and causing me to lose contact with the carto..How can i prevent this, Why is it happening, and how can i fix it??
take needle so something i use a blunt syringe put it in the center hole a little ( couple mm). Put tensions on one side and pull up on the needle till it comes out rotate and repeat over and over tell you like it. Don't try to pull it all up at once. Most common reason why is you are screwing it is the charger too tight just do it tell it comes on and stop same with everything.
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