Thread: Any solutions to power Blackmagic video assist 7' or 5" via Sony L or V-lock battery?

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  1. #1 Any solutions to power Blackmagic video assist 7' or 5" via Sony L or V-lock battery? 
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    I've got lots of Sony L batteries and V-lock batteries but no LP-E6, are there any adapters / dummy LP-E6 battery's which can act like a bracket to mount these?

    Thanks
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  2. #2  
    Senior Member Kim's Avatar
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    7.4V batteries could be attached directly with mechanical adapter on place of LP-E6. I hope too there would be such adapters, maybe should make some

    V-lock battery is higher voltage and would require also electronics to lower the voltage. the Power in conector on VA 5" is for 12V only (not sure about the 7"), I think the maximum v-lock battery voltage (16.8 V) would be too much for 5" at least.

    (the power in via LP-E6 adapter is 7.4 V battery only, max. 8.4 V but I would stay well below that)
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  3. #3  
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    I bought a plate that takes the sony batteries and converts it to 12v output.
    http://www.amazon.com/Power-Supply-B...ilpage_o03_s00
    There is a dummy battery solution at amazon
    http://www.amazon.com/Ansso-LP-E6-Ba.../dp/B00YOTISKW
    You could go the v-mount route with a battery plate that supplies 12v
    If v-mount batteries are too expensive, you can use 2 sony l batteries on an adapter
    http://www.ebay.com/itm/172072013784
    Another option is to fuse a canon LP-E6 dummy battery with a sony charger
    http://cheesycam.com/modding-the-bat...-to-sony-hack/
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  4. #4  
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    WHy not just power off P-tap from your Vlock?
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  5. #5  
    Senior Member Kim's Avatar
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    Too high voltage
    Quote Originally Posted by robmneilson View Post
    WHy not just power off P-tap from your Vlock?
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  6. #6  
    Senior Member AlmaVideo's Avatar
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    Video Assist has a 12v input.
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  7. #7  
    Senior Member Kim's Avatar
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    is P-tab 12V ?
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  8. #8  
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    No, p-tap or d-tap is 16.8 to 14.4V, but VA can accept voltages up to 17V (maybe higher, but I wouldn't dare). I was a bit affraid first time I read this and pluged into V lock directly, but it works!
    It has some sort of buck converter built in, so no worry to burn anything.
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  9. #9  
    Senior Member Kim's Avatar
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    The only specification I found for VA is 12V power supply is supplied, not much information there. There was discussion on some other treat about this, if I remember correctly with conclusion that 15V is max. Would be nice BMD to provide specifications for the power input, both voltage range and current consumption.

    Quote Originally Posted by MihaK View Post
    No, p-tap or d-tap is 16.8 to 14.4V, but VA can accept voltages up to 17V (maybe higher, but I wouldn't dare). I was a bit affraid first time I read this and pluged into V lock directly, but it works!
    It has some sort of buck converter built in, so no worry to burn anything.
    LeViteZer Smooths the movement, www.levitezer.com
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  10. #10  
    Senior Member Carter's Avatar
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    Quote Originally Posted by Kim View Post
    The only specification I found for VA is 12V power supply is supplied, not much information there. There was discussion on some other treat about this, if I remember correctly with conclusion that 15V is max. Would be nice BMD to provide specifications for the power input, both voltage range and current consumption.
    i hope you're right. All I can find is the rated for 12V for both the 5" and 7" BMD VA.
    I have a switronix v mount which is 14.8. Seems we have no other option at the moment but to plug it in and hope for the best....
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