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Go Back   SailNet Community > On Board > Gear & Maintenance > Electrical Systems
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  #1  
Old 01-05-2011
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Echo Charger Question

Hi all,

I am finally done with a major re-wire and movement of battery locations aboard Wild Wind. I currently have my new battery charger (Iota) going to a busbar, which then feeds my house bank #1 (3 x 27s) positive lead. My back up battery (bank #2) has its own positive busbar that has the cable from the battery switch and its own positive lead. Both battery banks have the negative leads going to a main busbar that is attached to the main negative grounding cable.

Currently I have my new echo charger wired like this - wire from battery being charged first (bank #1) is attached to the positive busbar for bank #1. Negative wire is on the negative busbar. The out-going wire that goes to the second bank is connected to the positive busbar for bank #2. So the echo charger gets its initial charging current the same way as bank #1.

This seems like it should work to me, I am asking because neither of the battery leads for the echo charger are physically attached to a battery, but are attached to busbars that supply both banks. It seems like this should work. There is a slight difference in voltage between the banks, about .2 volts.

Hopefully, I have not made this completely impossible to understand.

Let me know if I need to clarify.

Thanks, Bill
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Old 01-05-2011
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Should be fine. No need to attach the leads of the echocharger unit to to battery posts directly. Are the leads to the batteries FUSED? IF not, they should be. So should the wire coming from the battery charger.
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Old 01-05-2011
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Think of it this way: different end of the same wire. The bus-bar is connected to the battery post. The reason for the bus-bar is to avoid putting tons of connections on the post itself, so the ONE single wire from the bus-bar to the battery is just like placing the wire on the post itself.
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