Gear / Technical Help > Battery Boxes, Preamps, Mixers, ADCs, and Processors

M 248 w external battery

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ccage:
Doug Oade fixed me up w/ a 12v external to test on my old 248.
Will test it out soon and report back

Colin Liston:
I am very interested to see how this works out.  Does the 12v by-pass the internal batteries?

ccage:

--- Quote from: Colin Liston on May 06, 2017, 10:31:49 AM ---I am very interested to see how this works out.  Does the 12v by-pass the internal batteries?

--- End quote ---

Here's response from Doug on Battery set up:

Hi Chris, no worries, I'm not in any hurry. Yes, the way it is wired, it's either
the internal battery or the external battery. If they both worked together then
there would have to be a circuit that protects the batteries from each other. That
uses power and reduces runtime. If you have a weak internal then plug in an external
with no circuit protection, it will blow a fuse or, over time, cause both batteries
to swell and fail.
 

tubems:
i need this for the 148, but well, i think people have tried this before

fsulloway:
That would be nice but I don't there is a solution for it right now. At least I don't think Doug is interested in working on one. Chris may chime in on that perhaps.

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