Electric reel for disabled angler needed

Before anyone moans this is not spam.

I need to see if I can get an electric (12v) fishing reel for a very
disabled angler.
He has very limited movement in his limbs, but can arch his spine.
I can have a special harness made by a sailmaker so that he can "lift" the
rod, I need to find a 12v reel which can take in the slack so that he can
come fishing. I intend to start him on whiting and move him on to ling,
then we will see how it goes. This guy is keen that he catch fish as far as
he can ON HIS OWN.

I am a charter skipper, I do not take bookings as a result of any posts I
make on this site. I rarely contribute so as not to be accused of "fishing"
for trade.
Gents (and Ladies) I need help on this one.

TIA Chris W.