Here's the responds I got back from Icecap and Ecotech Marine.
"No decision has been made at Icecap on how this will be handled. We do not have replacement cables."
IceCap Service Manager
"From what I heard IceCap will make a decision on Monday as their president is out of office.
You should discontinue using the older battery backup cables as soon as possible. If you wish to purchase these cables through our parts store you are more than willing to in the mean time."
Customer Service
Ecotech Marine