BMPCC 4K power conector socket type

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focuspulling

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Re: BMPCC 4K power conector socket type

PostSat Nov 24, 2018 11:51 pm

So I've finally gotten the cable pack:

BMPCC4K Cable Pack.jpg
BMPCC4K Cable Pack.jpg (480.99 KiB) Viewed 1190 times

First thing I ran into, was the inner dimension of the barrel connector (coaxial cable version) being 2.5mm which doesn't match my Ikan battery sled that I originally got for the prior Pocket, which requires a 2.1mm inner dimension (with the same 5.5mm outer dimension).

Just something to be looking closely at when you put together your kit. Glad these are finally shipping.
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JacobSchuhle

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Re: BMPCC 4K power conector socket type

PostMon Nov 26, 2018 10:31 am

Cinegear pro do a d-tap cable (and they're in stock) if you're in the UK. Just got one for a job at the weekend and it worked fine.
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Justin Jackson

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Re: BMPCC 4K power conector socket type

PostSun Dec 23, 2018 1:07 am

A month or so later, and it looks like there are a lot of D-TAP to 2pin connectors now. I ordered one from Amazon for $35 (KONDOR BLUE 20") that has 5/5 rating (by only 2 people. lol).

One thing I am exploring for a fun side project is just putting together 4 3.7v 18650 batteries and probably cutting my AC/DC cord that came with camera and using the 2pin side as I will never power the camera via AC. Could also add adapters to the end to allow for the AC to be used again as well if needed.

At any rate, lot of 4 battery 18650 adapters in the works. Couple folks here posted some, so looking forward to something more rugged when its ready. In the meantime figured I'd grab one of those cheap PCBs and wire up the 18650s (via a 4 slot 18650 holder), and see how it fairs. Seems like its the best of everything.. mountable and light enough, easy to swap 4 batteries with new ones, and light enough to carry a good dozen or so extra in a bag or more. Supposedly should last about 2 to 3 hours of record time with the SSD recording. I am looking to see if this would be viable to power my MixPre 10T as well as monitor as well. More so for using it on a steadicam or gimbal, than tripod, which I would use my vmount setup for.
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JonathanDear

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Re: BMPCC 4K power conector socket type

PostMon Dec 24, 2018 9:19 pm

JacobSchuhle wrote:Cinegear pro do a d-tap cable (and they're in stock) if you're in the UK. Just got one for a job at the weekend and it worked fine.


They also do a ronin-s cable that goes straight into this socket everyone is talking about.
I’m in Australia and I ordered a few of them fine!

It will be great to have the gimbal power the camera and still have a lpe6 in the body to help balance the gimbal and also as a backup.

I’ve not had wonderful results with the dummy batteries.
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Justin Jackson

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Re: BMPCC 4K power conector socket type

PostTue Dec 25, 2018 10:43 pm

That is good to hear. My concern is that 4 18650s are 14.8v, and around 45wh, but would there be any issues using it.. e.g. anything that could damage the camera?

I saw from DIY projects that it looks like there is a PCB for about $8 or so, that you would want that you solder some of the leads from the battery holder to, but wasnt entirely sure what that was about. I thought it made it so you could charge all 4 cells in the holder. For me I have a good charger already, so I mostly wanted to be able to just put the 4 18650s together, and see how long it can power the camera, but safely without damaging it.

There are a few folks building some nice 18650 setups with mounting options, etc. But what I am not clear on is if you need regulated output from those, or if that 12v to 20v input range means the BM camera, at least via the 2pin plug, regulates the power coming in to it, itself, so that just a pure 14.8v output would be fine, or if I need to add some sort of extra to the battery enclosure to regulate the output?
Custom DIY AMD1950x 16-core/32-thread, liquid cooled, 64GB 3600Mhz RAM, 950Pro-512GB NVMe os/apps, 2x500GB 850 Evo RAID 0 SATA3, Zotac 1070 8GB video, USB 3.1Gen2 RAID0 2x4TB, 2x2TB Crucial MX500 SSD SATA3.
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alessandroshoots

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Re: BMPCC 4K power conector socket type

PostTue Jan 08, 2019 12:51 am

Looking at alternative power packs to use externally. Does this drive enough power to feasibly plug in the included P4K charging brick and run the camera off of?

Omars 88Wh/24000mAh 80W AC Power Bank Portable Battery Pack

FEATURES
Rated Capacity: 88.8Wh
Rated Voltage: 14.8V
Charge Input: 16.8V/2.0A
USB Output: 5V/4.2A
Built in battery specification:2000mAh*12(18650)
Rated Power: 80W
Peak Power:120W
AC Discharge Output: 110V/60Hz/80W
AC Out Frequency: 60Hz
Over- temperature protection:70℃±5℃
Dimensions: 124.8x188x44mm
AC Loaded output voltage scope AC:100V-130V@80W
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Sami Sanpakkila

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Re: BMPCC 4K power conector socket type

PostWed May 15, 2019 10:40 pm

Has anyone purchased the Lanparte power cable that has a regulator?

http://www.lanparte.com/Product/info_45_itemid_765.html

I have a Hawkwoods battery plate that is made for two NP-F batteries with output of 11-17V. The Pocket DC input is rated from 10.8V to 20V max.

Is there any advantage using the regulated power cable in this scenario?
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