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  1. Hope this is the correct forum. I am looking for a camcorder that can record a continuous 7+ hour video without interruptions. All the "long life" batteries seem to top out at about 3 hrs. Is there a way to do this with a dummy battery and a power pack? I have seen some suggestions for DSLR cameras but not for long length movies. Any suggestions welcome. Don't need 4K, 1080p is fine.
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  2. Dinosaur Supervisor KarMa's Avatar
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    I use a 12V car battery, low wattage DC to 120V AC inverter (100watt inverter), 120v outlet to camera (dummy) battery converter. Obviously this is not electrically efficient but it works. You also need a 12V charger to charge the battery up again.
    Last edited by KarMa; 30th May 2020 at 18:28.
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  3. Unfortunately, I need to have all of this on a tripod that I can move around with. The old camcorders (Sony, Toshiba) that had Hi8 tapes had large long-life batteries. So strange that the new ones don't last that long. What about some type of USB conversion that would let me use a 30000 ma power pack?
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  4. Member dellsam34's Avatar
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    Some camcorders have double batteries so one can be swapped out when low while the other one is powering the camcorder. I have no idea where I saw it or which model but I'v seen them.
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  5. Dinosaur Supervisor KarMa's Avatar
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    Yeah many higher end DSLR cameras (which can be used for video recording) have an extended grip add-on that will slot 2 batteries for long life. https://www.amazon.com/Canon-9130B001-Battery-Grip-BG-E16/dp/B00NI3CD1K
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  6. I see that but those are way out of my price range. Are there any camcorders that can run straight from 5V USB where I can use a power pack? Or, is there something that can convert USB 5V to whatever the camcorder battery voltage is? Has anyone done this?
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  7. Member Cornucopia's Avatar
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    Another tripartite constraint.

    Pick 2:
    • Portable
    • Longlasting
    • Inexpensive


    Scott
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  8. Member dellsam34's Avatar
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    Originally Posted by tsg View Post
    Unfortunately, I need to have all of this on a tripod that I can move around with. The old camcorders (Sony, Toshiba) that had Hi8 tapes had large long-life batteries. So strange that the new ones don't last that long. What about some type of USB conversion that would let me use a 30000 ma power pack?
    It can be done if you know about 18650 Li-Ion battery cells, You would make a pack of cells in series up to the working voltage and add packs in parallel up to the amp hour needed, You would need a BMS board installed to control the cells during discharge and charge up the pack. I've done it numerous times on different devices including old power tools that run of Nickel Cadmium and metal hydrate batteries.
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  9. aBigMeanie aedipuss's Avatar
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    a portable generator and ac connection to the cam is about your only choice.
    --
    "a lot of people are better dead" - prisoner KSC2-303
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  10. Member dellsam34's Avatar
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    There are tons of choices it depends on how handyman the person is, Off the shelf stuff cost ten times more DIY solutions.
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