Minn Kota MK-EC-15 Battery Charger Output Extension Cable 
Use this 15' cable when your standard charger cables don't reach the bow, center or transom battery compartments. The cable features WAGO Wall-Nut quick connectors (UL listed), and fused (30 amp) positive and negative leads.
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.