this might be of intrest

[colintandy]

following the last thread on split charging im going to be going down this route as regards to battery back up isolators/and split charge systems found this a long time ago thought some of you might be intrested in this web site www.hellroaring.com ive got some e-mails from them as i have been asking lots questions i will post some later when time permits regards colin

[Damonski]

Looks cool, but a relay is cheaper to replace when it gets soaked  

I expect those to be some money, I did like the scorpion racing split charge gadget with its dual battery monitor gauge. That was until I found the price tag  :shock: