Help for batteries in my homemade portable speaker

[psykopyro]

Hello everyone

I am building a portable speaker. I am using the Logitech Z-640 Speaker system and two Razer electric scooter batteries. I had a few questions regarding how to power this thing.

First of all, the batteries are each 12V, 9AH. Again, I have two of these.

The way I found out what power the speakers were getting (they were AC powered,) is I took the thing apart and the brass brick-thing that inputs AC and outputs to the speakers reads: "14.6V, 2.4A"

How do I wire this thing up?

Thanks

 

[davidh729]

You'll need a voltage regulator that takes the full operating voltage range of your batteries as an input and outputs 14.6V. I assume these are lead acid bateries so your voltage range will be something like 10-14v if you wire them in parallel or 20-28V if you wire them in series.

Dave

Dave Hyman
iRobot Corp

http://www.irobot.com