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weird question: battery powered power source

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juggle50:

I'm building a desktop controler and I'm going to put in all sorts of LEDs.  Does anyone know if a battery powered power source is available?  I want to turn the lights on even when it is not plugged into a wall socket or computer.

Questions:

Does it exist?
Is it rechargable?
Does it supply lines to both 12 and 14 volts (not a big deal)
Is it mountable?

thank you for your help

markrvp:

A remote control car battery may be what you need.  These are rechargeable.  Do a google search on RC car batteries and you will find a wealth of information on how to even build your own with bulk cells.

danny_galaga:

yeah, sub c nicads are pretty cheap. a couple of those will run a quinbillion leds for several hours (",). nicads are 1.2 v . build a pack to suit. just get cheapies- you are not racing a 100mph fast electric hydro!

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