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Showing results 1 to 8 of 8 @ 0.35 seconds. Search: Posts Made By: foxOnTheRun
Forum: Accessories 2011-08-24, 21:46
Replies: 45
Views: 52,097
Posted By Estel
Re: Cheap (chinese) external BL-5J (and other models) battery charger: reverse engineering

Hey, that was most interesting blog/thread about reverse engineering thread I've gone by in ages :) Not that this Chinese charger was so interesting, it's rather about style and passion, I think?
...
Forum: Accessories 2011-06-16, 19:56
Replies: 45
Views: 52,097
Posted By uppercase
Re: Cheap (chinese) external BL-5J (and other models) battery charger: reverse engineering

I've never heard of anything on this planet that gets cold when you give it energy. You can make one part hot and one part cold but you can't make the whole thing colder, that defies the laws of...
Forum: Accessories 2011-06-16, 19:41
Replies: 45
Views: 52,097
Posted By vi_
Re: Cheap (chinese) external BL-5J (and other models) battery charger: reverse engineering

lol I dunno, cold fusion?
Forum: Accessories 2011-06-16, 19:27
Replies: 45
Views: 52,097
Posted By shadowjk
Re: Cheap (chinese) external BL-5J (and other models) battery charger: reverse engineering

An infrared thermometer could be able to measure the temperature..

Nimh also gets warm, most notably towards end of charge.

In general, the internal resistance of batteries causes heating both...
Forum: Accessories 2011-06-16, 16:27
Replies: 45
Views: 52,097
Posted By dr_frost_dk
Re: Cheap (chinese) external BL-5J (and other models) battery charger: reverse engineering

Thanks for that :D

Well i will say from my experience that Li-Ion & LiPo battery's get hot when charged "Hard"/fast, and just a little hotter then room temp when charging below 1C, but it is so...
Forum: Accessories 2011-06-03, 22:57
Replies: 45
Views: 52,097
Posted By shadowjk
Re: Cheap (chinese) external BL-5J (and other models) battery charger: reverse engineering

The battery would be full when floating at 4.20V and current dropping to less than C/20.
Forum: Accessories 2011-05-31, 21:27
Replies: 45
Views: 52,097
Posted By dumpystig
Re: Chap external BL-5J (and other) battery charger: reverse engineering

Yours mate - I've not opened mine (yet).

The capacitance value is often marked using a 3 digit code. This works in the same way as resistor coding but using numbers instead of colours. The first 2...
Forum: Accessories 2011-05-30, 21:59
Replies: 45
Views: 52,097
Posted By dumpystig
Re: Chap external BL-5J (and other) battery charger: reverse engineering

I have the same style of unit but it has the micro usb connector - never tried it but I'm gona hook it up and see if the thing actually works. The ceramic cap value= 0.1uF
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