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Author Topic: 7.2v/4500mah NIMH DVD battery cable question....  (Read 2317 times)

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Offline F.O.Bean

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7.2v/4500mah NIMH DVD battery cable question....
« on: May 14, 2011, 11:16:24 PM »
OK folks, I bought a 7.2v/4500mah NIMH DVD battery, and all it came w/ was the AC Adapter/wall wart. I stopped at Radio Shack tonight and bought an "M" Adaptaplug, and the appropriate cable for the adaptaplug, so I can solder an RC connector on the other end. I'm just in need of assistance. Do I want the tip to be positive
  • or negative[-] ??? And how should I go about building it? Just see if the ac adapter has the tip
  • [-], and then do the same to the output cable ???


I DO have a multi-meter so just let me know what I have to do, so I can start using this battery :)

Thank you VERY MUCH in advance for any help you can give me ;)

Bean
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Offline F.O.Bean

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Re: 7.2v/4500mah NIMH DVD battery cable question....
« Reply #1 on: May 16, 2011, 10:26:11 PM »
bump. Someone/ANYONE please help me :P
Recording Gear:
Schoeps MK 4 (MP) & MK 41v (MP) Capsules ->
Schoeps 250/0 KCY's X2 ->
Naiant +60v/Low Noise PFA's x2 ->
DarkTrain Right Angle Stubby XLR's x2 ->
Sound Devices MixPre-6 & MixPre-3 ->
SanDisk 128gb Extreme Pro & 64gb Ultra Plus SDXC-I

Portable Playback Gear:
Campfire Audio Andromeda & Dorado IEM's ->
Linum G2 SuperBax & Bax {3.5mm} | FiiO LC 2.5c {2.5mm} ->
Shanling Audio M5s | Sony NW-A35 DAP's

DAW:
Dell Inspiron 15 5570-5521 Laptop
(Pentium i5/8gb RAM/256gb SSD)

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline F.O.Bean

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Re: 7.2v/4500mah NIMH DVD battery cable question....
« Reply #2 on: May 17, 2011, 05:26:38 PM »
bump. Someone/ANYONE please help me :P
Recording Gear:
Schoeps MK 4 (MP) & MK 41v (MP) Capsules ->
Schoeps 250/0 KCY's X2 ->
Naiant +60v/Low Noise PFA's x2 ->
DarkTrain Right Angle Stubby XLR's x2 ->
Sound Devices MixPre-6 & MixPre-3 ->
SanDisk 128gb Extreme Pro & 64gb Ultra Plus SDXC-I

Portable Playback Gear:
Campfire Audio Andromeda & Dorado IEM's ->
Linum G2 SuperBax & Bax {3.5mm} | FiiO LC 2.5c {2.5mm} ->
Shanling Audio M5s | Sony NW-A35 DAP's

DAW:
Dell Inspiron 15 5570-5521 Laptop
(Pentium i5/8gb RAM/256gb SSD)

http://www.archive.org/bookmarks/diskobean | http://www.archive.org/bookmarks/Bean420 | http://bt.etree.org/mytorrents.php

Offline dlh

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Re: 7.2v/4500mah NIMH DVD battery cable question....
« Reply #3 on: May 17, 2011, 05:43:54 PM »
OK folks, I bought a 7.2v/4500mah NIMH DVD battery, and all it came w/ was the AC Adapter/wall wart. I stopped at Radio Shack tonight and bought an "M" Adaptaplug, and the appropriate cable for the adaptaplug, so I can solder an RC connector on the other end. I'm just in need of assistance. Do I want the tip to be positive
  • or negative[-] ??? And how should I go about building it? Just see if the ac adapter has the tip
  • [-], and then do the same to the output cable ???


I DO have a multi-meter so just let me know what I have to do, so I can start using this battery :)

Thank you VERY MUCH in advance for any help you can give me ;)

Bean
You can use your multimeter to find out if the output tip is +.
Is the MM digital?
If you test the output tip (of the battery) with the red lead of the MM, and the tip is -, then the MM will read -7.2 instead of 7.2
Does that make sense?

Also, you have to know if the gear you're going to power is tip+.  Much gear is, but not all.
« Last Edit: May 17, 2011, 05:49:45 PM by dlh »
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Offline odmen01

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Re: 7.2v/4500mah NIMH DVD battery cable question....
« Reply #4 on: May 17, 2011, 06:11:10 PM »
Went to buy a similar one................last one was gone already

Offline rowjimmytour

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Re: 7.2v/4500mah NIMH DVD battery cable question....
« Reply #5 on: May 17, 2011, 06:14:35 PM »
I am pretty sure you want positive unless you plan on using a UA5 or r4/r44 w/ the battery pack.
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kirk97132

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Re: 7.2v/4500mah NIMH DVD battery cable question....
« Reply #6 on: May 18, 2011, 01:21:48 PM »
Bean as far as I know onlt edirol products use a negative tip.

 

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