Adding aux. batteries

bigj · 12-04-2012, 07:29 PM

I have an ezgo pds that I converted to 48 volts last year. I have a voltage reducer to run my lights, radio, etc. But, I wanted to add an extra 12 volt battery in the bagwell to power radio and lights. How could I wire in this additional battery so that my voltage reducer still worked if the 12 volt battery went dead.

JohnnieB · 12-05-2012, 08:00 AM

Use a DPDT (Double-Pole Double-throw) switch.
Connect the + and - 12V from the reducer to one set of contacts and the + and - from the 12V battery to the other. The switch's common contacts connect to the - block and the fuse block.

If the - output from the reducer is connected to the battery pack's -, a single pole switch would be okay.

Gonkulor · 12-05-2012, 08:20 AM

edit. JohnnieB makes more sense.

12-04-2012, 07:29 PM	#1
bigj Not Yet Wild Join Date: Jul 2012 Location: Plainwell, mi Posts: 22	Adding aux. batteries I have an ezgo pds that I converted to 48 volts last year. I have a voltage reducer to run my lights, radio, etc. But, I wanted to add an extra 12 volt battery in the bagwell to power radio and lights. How could I wire in this additional battery so that my voltage reducer still worked if the 12 volt battery went dead.

12-05-2012, 08:00 AM	#2
JohnnieB Techno-Nerd Join Date: Jun 2011 Location: West Virginia Posts: 19,654	Re: Adding aux. batteries Use a DPDT (Double-Pole Double-throw) switch. Connect the + and - 12V from the reducer to one set of contacts and the + and - from the 12V battery to the other. The switch's common contacts connect to the - block and the fuse block. If the - output from the reducer is connected to the battery pack's -, a single pole switch would be okay.

12-05-2012, 08:20 AM	#3
Gonkulor Astronautilator Join Date: Sep 2011 Location: North Idaho Posts: 1,494	Re: Adding aux. batteries edit. JohnnieB makes more sense.

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