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Old 2009.04.01, 07:08 AM   #1
Pierro
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Join Date: Oct 2007
Posts: 336
Hacking the Dnano charger

Hello!

I'm considering the fact of "hacking" my dnano charger (and perhaps also the blade mCX one) as it uses too much fresh batteries to work.

So, here's the question, what kind of transformer can I use?
(don't know if it's the correct word in english, but I mean here a power supply like the one used to charge a cellphone, or use a portable CD player without battery)
From what I know, I understand that a transformer provide only the current required by the device that is connected. So a transfo of 500mAh for example, provide up to 500mAh, but can also provide a device that requires 350mAh.

A simple tranfo of 6V with 150mAh output could it be enough to charge the battery of the Dnano and Blade wich are respectively 130mAh and 110mAh for 3.7V?
Or should I look for one that is 130 or 110 mAh?

Or, do I even need to find a more powerful transformer to obtain the same intensity as that obtained by the 4 batteries?
(In order to avoid the double red/green LED signal that means that the batteries in the charger are low)

At first my goal is to continue to use the system LED indication of each of the two chargers, but only by using a transformer instead of 4 batteries...

Thanks a lot for your help.
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