Comments about Promariner Battery Bank Cable Extender - 5:
Easy to install, with my new battery charger. My only criticism of this Promariner product is that the cable-to-cable connection is not waterproof. With 2 Promariner cable extenders, both batteries have easily been brought up to "full charge" and are now just on a "trickle".
Bottom Line Yes, I would recommend this to a friend
This line of premium battery cables features tinned
copper stranding for maximum protection against corrosion and electrolysis. The ultra flexible stranding resists fatigue due to vibration and flexing, and the premium vinyl insulation resists attack by salt water, battery acid, ...