Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
:twisted: I have a boat with twin engines and eight batteries and when using the boat on the inland waterway i only use one engine and would like to charge the batteries from either one that is running
Insufficient info. How exactly is it wired now? Do you want to charge all 8 batteries from either alternator? Do you want to do that automatically or by manual switching?
Keep in mind that charging batteries in parallel, especially if they are of different design and age, requires some charge sensing on each to make sure they get equally charged. There are commercial charge controllers that do what you want. Perhaps easier in the long run to fork out money for one of these.
Klaus
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