Fitting out your boat

demand on the battery. Alternatively, you could install a generator to run the washing machine. ‘Combi’ inverters have built-in battery chargers, which work if you hook up to shore or an on-board generator. Big inverter systems usually need at least four batteries to be successful. Modem inverters are generally reliable, but can be expensive to repair if they do go wrong. You may need a ‘mains manager’ system to ensure that different supplies cannot confl ict: your builder will advise.  ere are codes of practice for 12v and 240v marine installations, so it is better to deal with suppliers who are familiar with them and the methods of combining the different systems.

Photo: Narrowboat Surveys

Narrowboats may have as few as two batteries - or as

many as seen here!

Credit: Mark Langley

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