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Warzone
Fusion Laser
Joined: 24 Apr 2006
Posts: 280
Location: Kitchener, Ontario, Canada
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 Posted: 4/26/06, 12:30 AM Post subject: |
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I really dont understand.. Apparently one guy did a bunch of tests and the nimh battery's performed less than a .. forget the name of it..
rechargables have a more powerfull beginning to their life??
what about my Phoenix to be?? should i not use? (im guessing its ok cause everyone says they use em)
... just maybe some help understanding the spyder .. and rechargables
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Spoz
Elite Laser
Joined: 14 Apr 2006
Posts: 177
Movie(s): 1
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| Posted: 4/26/06, 12:36 AM Post subject: |
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With CR123 batteries alkalines run at 3.0v per cell. The only rechargables that are this size run at 3.4v per cell. Kinda stupid, since people use them to replace the 3.0v cells and it would obviously cause problems (rechargable CR123 batteries often break cameras, torches etc)
Edit: As for your pheonix, rechargables are fine to use because alkaline batteries are 1.5v per cell whereas NIMH/NICD are 1.2v per cell.
Last edited by Spoz on 4/26/06, 12:42 AM; edited 1 time in total |
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Athoul
Wicked Lasers God
Joined: 13 Sep 2005
Posts: 7544
Location: Canada
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| Posted: 4/26/06, 12:42 AM Post subject: |
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Warzone> This only applies to the Spyder series, as they use CR123A size batteries. These are only lithium and come in non rechargable 3V and rechargable 3.6V and 3V(but they have an initial spike of 3.9+V). The other lasers use AAA sized batteries and you can use rechargables without any problem whatsoever.
TheGreatDane > yeah, you can't use rechargable RCR123A batteries as they have an initial voltage of almost 4V. Just use the normal 3V lithium cr123's from your local store, or order a pile of Sanyo's from batteryjunction.com for really cheap.
Like I said though it should be possible to incorporate a way to control the voltage, perhaps with a resistor in the battery compartment piece. However this is as I said, something you would be doing at your own risk. Wicked will not cover any damages from it if you mess up.
Spoz> All cr123's are Lithium, there's no Alkaline cr123's that I know of. The rechargable 3V have a voltage limiting system incorporated into the cell, however there is still an initial spike of about 4V. The 3.6V rechargables also have this spike, but don't fall below 3.6 when a load is applied.
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Cheers,
Sean.
Visit My Laser Gallery for images, video's, comparisons and more. http://www.pulsed.ca
Some videos I have submitted:
http://www.lasercommunity.com/movi_page.php?movis_id=78
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http://www.lasercommunity.com/movi_page.php?movis_id=84
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Badabing
Elite Laser
Joined: 04 Apr 2006
Posts: 133
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| Posted: 4/27/06, 11:13 AM Post subject: |
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| I'm still waiting for my Spyder to ship. Does anybody know how long batteries last in a Spyder? |
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msnyder
Wicked Lasers Master
Joined: 04 Apr 2006
Posts: 746
Location: Palo Alto, California, USA
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| Posted: 4/27/06, 11:32 AM Post subject: |
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| Athoul wrote: |
Ouch man :/ I wish you had pm'd me first! I would have told you that rechargables are not to be used :( The output of the Spyder without rechargables according to your pictures was already higher then your Aries, you didn't need to try to squeeze out any more. As is, the diodes are not being over driven, but they are being driven at spec so an increase in voltage will over drive them. The rechargables would be ok if they didn;t have that initial 3.9+ voltage after a fresh charge.
Though this is not supported by Wicked, perhaps it's possible to incorporate a resistor in the battery housing to reduce the voltage to about 3.2V or less. Just a thought, but definatley not something that is supported by Wicked, this is a try at your own risk kind of thing. |
I'm wondering how hard it would be to voltage-regulate the driver circuit?
At the factory, I mean. We're not talking a huge range here, only about 1 volt.
I can understand the pump diode being sensative to voltage, but not the input circult... |
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Athoul
Wicked Lasers God
Joined: 13 Sep 2005
Posts: 7544
Location: Canada
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anakata
Wicked Lasers Master
<Avatar not found>
Joined: 04 Mar 2006
Posts: 617
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| Posted: 4/28/06, 8:33 AM Post subject: |
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what we need is second batery case for the spyder
not one that you can put bateries in, but a sealed high density lion or li-polymer batery compleetly sealed within a closed case and regulated internallyso it dosent blow anything, and an external charger that you can screw it into(to keep everything water tight)
what would also be cool is a magnetic charging cradle for the spyder, just stand it against a half coil inside a stand, and have another coil inside the spyder to get the power through
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80mW baby! arr |
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msnyder
Wicked Lasers Master
Joined: 04 Apr 2006
Posts: 746
Location: Palo Alto, California, USA
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| Posted: 4/28/06, 10:53 AM Post subject: |
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| anakata wrote: |
what we need is second batery case for the spyder
not one that you can put bateries in, but a sealed high density lion or li-polymer batery compleetly sealed within a closed case and regulated internallyso it dosent blow anything, and an external charger that you can screw it into(to keep everything water tight)
what would also be cool is a magnetic charging cradle for the spyder, just stand it against a half coil inside a stand, and have another coil inside the spyder to get the power through |
Very creative ideas. ;-) |
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Lasern00b
Nexus Laser
Joined: 24 Apr 2006
Posts: 96
Location: Netherlands
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| Posted: 4/28/06, 11:30 AM Post subject: |
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[little offtopic]
Is this rechargable problem only with the Spyder series?
Can I use rechargables with my normal <40 ?
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Athoul
Wicked Lasers God
Joined: 13 Sep 2005
Posts: 7544
Location: Canada
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