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Old 04-29-2008, 07:19 PM #1
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Default usb chargeable batteries

i saw a blu ray laser on ebay tht was usb chargeable, and i was just wondering where he got the batteries from (or if he had to mod a usb charger)

I have no idea if he posts on this forum, and if nayone knows what i am talking about ;D

I can't find any of the auctions on ebay anymore


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Old 04-29-2008, 09:21 PM #2
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Default Re: usb chargeable batteries

His user name is Skram0 and I believe he uses a 14500 lithium battery (AA sized) with a boost circuit to drive the diode. You can get 14500 lithium batteries here. And here's the thread about his Laser Box V3 bluray laser.
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Old 04-30-2008, 03:30 AM #3
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Default Re: usb chargeable batteries

would I then have to mod a charger?
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Old 04-30-2008, 03:35 AM #4
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Default Re: usb chargeable batteries

For charging the lithium batteries? These kind of batteries can explode if not charged properly, get yourself a proper charger.
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Old 04-30-2008, 06:51 AM #5
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Default Re: usb chargeable batteries

but on his laser, there is a usb port to charge the laser.
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Old 04-30-2008, 11:52 AM #6
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Default Re: usb chargeable batteries

Because he has a charging circuit inside the laser which prevents the batteries from overcharging. Read his first post on the thread I posted above.
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Old 04-30-2008, 04:20 PM #7
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Default Re: usb chargeable batteries

so i would have to buid something like this:

http://www.national.com/appbriefs/files/AppBrief101.pdf
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Old 04-30-2008, 06:48 PM #8
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Default Re: usb chargeable batteries

Yup, you just answered your own question. ;D
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Old 05-04-2008, 10:53 AM #9
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Default Re: usb chargeable batteries

Quote:
Originally Posted by chido
His user name is Skram0 and I believe he uses a 14500 lithium battery (AA sized) with a boost circuit to drive the diode. You can get 14500 lithium batteries here. And here's the thread about his Laser Box V3 bluray laser.
What he said.
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Old 05-04-2008, 11:16 AM #10
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Default Re: usb chargeable batteries

did you find the circuit on the Internet?
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