The heat shrink tubing attached to the connectors was loose and of poor quality. For a "Made in the USA" product and for the price one should expect better workmanship. I took my time removing the old crap and replacing it with much better heat shrink tubing with glue. The problem is solved, I will not buy any more batteries from this company. At Battery Cables USA you can get better quality cables made in the USA for the same price.
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