How to recharge a 12V battery using an Alternator

[Oladapo Babatunde]

I am working on a rural project that requires continuous use of 12v battery as a single unit,to keep the project running i need to recharge the battery . How do i connect an alternator to recharge the battery while the batteries is in use. or can i use a Capacitor instead.
My thinking is since car battery are recharged in Car by alternator. or do anyone has a method to recharge 12v batteries

 

[jedishrfu]

It seems what you really need is a gas generator not a 12v battery.

Here’s a project that sounds similar to yours using alternators driven by a waterwheel.

http://alumni.media.mit.edu/~nathan/nepal/ghatta/alternator.html

 

[Guineafowl]

I am working on a rural project that requires continuous use of 12v battery as a single unit,to keep the project running i need to recharge the battery . How do i connect an alternator to recharge the battery while the batteries is in use. or can i use a Capacitor instead.
My thinking is since car battery are recharged in Car by alternator. or do anyone has a method to recharge 12v batteries

Alternator body to battery negative.
Big B+ terminal to battery positive.
W terminal via 12V bulb to battery positive.

A picture of the alt would help.

 

[sophiecentaur]

What is the source of motive power for your alternator?
How big is the battery?
Most important, what is the requirement for the supply you are providing? Electricity is like money; you need an income that's at least as big as your spending and you need a float of spare cash for a rainy day. Engineering is a very unforgiving business so you have to do the sums - really!