You can't, not directly. I have a 4 gang extension lead that I run from the shore to my boat and I plug any 240v appliances into that. If you wanted to charge up your 12v batteries then you could plug in a battery charger as well.
and you dont have to pay much. Sailing courses are incredibly good value. A 5 day course, accommodation, food and instructor, everything included costs about £500, less than it costs to live in London and they're great fun. I would recommend them to anyone looking for an activity holiday.
I agree with Tranona, start small and you will have less to lose if you change your mind. In my opinion a 27 foot boat is enough for a solo liveaboard.
Sorry I can't help you with your problem but thought I'd let you know about my Navionics on a phone quirk.
I bought an Oukitel rugged phone to act as a mini chart plotter in the cockpit. Navionics works ok except when I am in a flat calm situation like in a canal, then it needs some vertical...
Aggressively, thats interesting and something i hadn't considered.
Would Aggressively be using a 240v battery charger with the 'rapid charge' switch on?
I assume solar charging and charging from the boat engine wouldn't be aggresìve?
Just keep this going a bit longer...
I have also been wondering the same thing as the OP.
I know from experience that a lead acid battery in a car, kept fully charged all the time can last 10 years or so.
On my boat I regularly, on a daily basis, as a liveaboard run my batteries down to 50% and...