Cheers Pure.
Who are you getting the reels from and what are their cost of you don't mind me asking?
I contacted the manufacturers of Grippa's relays (Samlex) a few months back as I was skeptical about their claims. I was told by them that it is just a simple relay without any fancy electronics to speed up battery charging. So it just seems that I have to continue to supplementary charge my leisure battery as I do very little mileage.
Are these leisure batteries you are using or are they ordinary batteries? One of the local cleaners on here occasionally, swears by automotive Banner batteries. Although I have only good things to say about the Numax leisure batteries we have in all three vans, I may try a Banner battery when my leisure battery gives up (its nearly 3 1/2 years old. Son's Numax is now 4 years old.)
Thanks, I really appreciate your input so far.
I have just found 12v reels from Xline systems at £799.00 + VAT each.