Happy (belated) new year everyone! Earlier this week I was talking with a colleague about one of the yachts in Sydney to Hobart Yacht Race which lost power mid-race. Here are some thoughts what to do when your batteries are dead at sea.
blog.arribasail.com/2016/01/tech-emergency-power.html 
PS Tow generators and super capacitors have also been suggested but I haven't investigated those yet.
