Nitro
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If a metal object touches both of the charger contacts, will it short out the battery? /ubbthreads/images/graemlins/eek.gif
MagCharger Contacts
- Thread starter Nitro
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If you short both rings on the body it will short the battery. If you put a piece of foil over the charger tips and then place the light over it, it'll short the battery and the charger. I do not know if the charger is fused. Don't think so though the one time I got it partially open.
FWIW, the rearmost ring is the negative contact and the forward ring is the positive contact.
Wilkey
FWIW, the rearmost ring is the negative contact and the forward ring is the positive contact.
Wilkey
kongfuchicken
Flashlight Enthusiast
ok, now I'm scared
Nitro
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Ouch! That's scary. /ubbthreads/images/graemlins/eek.gif
Illuminated
Enlightened
Doesn't the MC have a diode inside to protect against shorting the charging contacts?
John
John
Nitro
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For what it's worth, I'm not measuring any voltage an the contacts in either polarity. /ubbthreads/images/graemlins/thinking.gif
Illuminated
Enlightened
Does your light work?
John
John
Nitro
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Yup!
Nitro
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I take that back, I'm getting 0.1 V. Obviously not the battery voltage. There must be some electronics involved.
Illuminated
Enlightened
Yup! There must be a diode in there...
I don't have a MC, but I did a quickie test using my TL and a 1N4004 rectifier:
No diode = 7.95 Volts
Reverse-biased diode (cathode to +batt) = 0.035 Volts
Forward-biased diode (anode to +batt) - 7.68 Volts
I used a Fluke 87 meter.
John
I don't have a MC, but I did a quickie test using my TL and a 1N4004 rectifier:
No diode = 7.95 Volts
Reverse-biased diode (cathode to +batt) = 0.035 Volts
Forward-biased diode (anode to +batt) - 7.68 Volts
I used a Fluke 87 meter.
John
Nitro
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Maybe MAG is smarter then we think.
Nitro
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I have a Fluke 87 too, but I'm getting under 1 volt both ways.
dano
Flashlight Enthusiast
It's protected, probably by a diode. I've never taken one apart, though.
--dan
--dan
It is protected, otherwise we would hear scary incident.
I measured only 0.1 volt, battery fuly charged and off the charger.
I measured only 0.1 volt, battery fuly charged and off the charger.
Yeah,
Certainly seems to make sense. Please disregard my post above due to a particularly humiliating combination of malfunctioning equipment, misleading measurements and out and out ignorance on my part. Quite uncharacteristic.
Wilkey
Certainly seems to make sense. Please disregard my post above due to a particularly humiliating combination of malfunctioning equipment, misleading measurements and out and out ignorance on my part. Quite uncharacteristic.
Wilkey
Unicorn
Flashlight Enthusiast
I wonder if they had some problems with the first ones made. Most belt carriers used by cops are metal rings on a leather or nylon strap. Makes me wonder if Mag got complaints of them shorting out.
Nitro
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I thought it would be a problem as soom as I pluged it into the charger for the first time.
I'm glad it won't be a problem though.
I'm glad it won't be a problem though.
