Thread: FS: 14.8V 18650 Battery Enclosure Module for BMMCC/BMMSC by RADIOPROEKTOR

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  1. #1 FS: 14.8V 18650 Battery Enclosure Module for BMMCC/BMMSC by RADIOPROEKTOR 
    Senior Member shijan's Avatar
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    Let me introduce 14.8V 18650 Battery Enclosure Module developed by RADIOPROEKTOR for Blackmagic Micro Cinema Camera (BMMCC) and Blackmagic Micro Studio Camera 4K (BMMSC).
    This Battery Module uses Canon LP-E6 type battery plate as a quick release clamp mount, and outputs 14.8V power from external DC barrel socket connectors. It perfectly fits to size and shape of SmallRig BMMCC/BMMSC cage, compatible with BMMCC/BMMSC Wooden Camera Cage. It can be used with any other rigs, cameras, LED lights, monitors, wireless follow focus motors, etc.. It is compatible with other custom made BMMCC/BMMSC accessories developed by RADIOPROEKTOR.
    Built-in mini Cheese Plate designed to fit exactly to size and shape of SmallRig Mounting Cheese Plate 1598. Quality electronic components and connectors inside and outside. Built-in DC power splitter allows to plug up to 3 devices simultaneously. Built-in battery capacity meter and ON/OFF switch. Perfect cable management, powerful, lightweight, low profile, cost-efficient and future-proof.

    Battery cells are NOT included in the package. You can purchase any 4x 18650 type UNPROTECTED lithium-ion battery cells somewhere in your local electronics store. It will cost you only $20-25 total.

    Dummy Canon LP-E6 type Connection Plate was designed as quick release clamp system only. It don't have any electronic contacts and don't provide any voltage to the camera.

    Always unplug all devices from the battery before charging. Use recommended 16.8V 2A CC/CV (Constant-Current/Constant-Voltage) charger. Do NOT use simple DC power supply adapters to charge this battery module!

    It is also recommend to use separate battery to power the monitor. Powering camera and monitor connected to camera HDMI port from same battery cause the "Ground Loop" problem. Ground Looped connection combined with electrostatic discharge sparks and poor quality HDMI cable shield insulation may permanently burn camera HDMI/SDI port. You can read more about Ground Loop problem investigation here: http://www.bmcuser.com/showthread.ph...l=1#post254391

    Battery Enclosure kit includes:
    Battery Enclosure Module with removable rear shell cap
    4x M3 flat head screws
    Phillips cross-head screwdriver
    13cm DC power cable with 5.5x2.1mm angle plug connector
    13cm DC power cable with 5.5x2.5mm angle plug connector (5.5x2.1mm compatible)
    29cm DC power cable with 5.5x2.1mm angle plug connector
    29cm DC power cable with 5.5x2.5mm angle plug connector (5.5x2.1mm compatible)

    LP-E6 type Connection Plate kit includes:
    Canon LP-E6 type dummy connection plate
    3x 1/4"-20 3/8" length button head screws
    5/32" allen wrench hex key

    Package cost total:
    BMMCC 14.8V Battery Enclosure kit = $110
    Canon LP-E6 type Connection Plate kit (optional) = $15
    Charger (if available) = $15

    Worldwide Shipping & Packaging cost (should be added to cart separately):
    1x Battery Enclosure + LP-E6 plate = $14
    1x Battery Enclosure + LP-E6 plate + Charger + other optional small BMMCC accessories kits = $19
    2x Battery Enclosures = $19
    2x to 4x Battery Enclosures + Charger + other optional small BMMCC accessories kits = $24
    3x to 5x Battery Enclosures = $24

    ORDER HERE https://lavky.com/radioproektor/

    P.S. I don't want to overprice things but it appears that BMMCC market is really small and there is no huge profits for selling hand made stuff like this in small batches. So if you on high budget production and wish to support future development feel free to add additional donation $7 or more.

    For any details please contact me directly to radioproektor (@) gmail . com

    More info about earlier development of this Battery Enclosure Module: http://www.bmcuser.com/showthread.php?21668

    See also my other projects and accessories for BMMCC/BMMSC:
    Angle Breakout Expansion Box Module
    Offset ARRI Type Rosette Mount Module
    Angle HDMI Clamp with Ugreen angle HDMI adapter Module












    Tech Specs:
    Average battery capacity: 50Wh (capacity depends of installed battery cells and connected device wattage load)
    Output voltage range: 10V min., 14.8V normal, 16.8V max.
    Measured charge time with recommended 2A charger = 2 hours
    Dimensions: 84x82x62mm
    Weight: 310g (excluding battery cells), 500g (including battery cells and LP-E6 plate)
    Enclosure and rear cover shell cap are made of aluminum alloy, factory CNC machined and anodized in black color
    Internal support parts are 3D printed from PETG plastic.
    LP-E6 connection plate cast from impact resistant liquid polyurethane.
    LUMBERG 1614 09 DC power socket connectors 5.5x2.1mm (5.5x2.5mm compatible). Support up to 2A 24V
    Blossom Electronics dual 18650 Battery holders
    CANAL ELECTRONIC MRH10-C5N-BBN ON/OFF Rocker Switch. Support up to 10A 250V
    18AWG silicone insulation connection wires. Support up to 10A 600V
    22AWG DC cables with 5.5x2.1mm and 5.5x2.5mm angle power plug connectors. Support up to 2A 24V

    CF-4S30A-A BMS (Battery Management System) board:
    Built-in balance circuit provides uniform and equal charge of each battery cell
    Continuous discharging current: 30A max.
    Charging voltage: 16.8V
    Charging current: 30A max. (2A recommended for this battery pack)
    Overcharge protection
    Over discharge protection
    Over current protection
    Short circuit protection

    Voltage meter indicator:
    - 4 LED lights - voltage is greater than 16V
    - 3 LED lights - voltage is greater than 15.2V
    - 2 LED lights - voltage is greater than 14.4V
    - 1 LED light - voltage is greater than 13.6V
    - No lights - voltage is under 13.6V, but battery still have about 15-20% of usable capacity.
    Keep in mind that real life battery output voltage varies a lot depending of connected device wattage load.
    Over discharge protection circuit switches off battery cells only when voltage drops under 10V, but to avoid quick battery cells degradation it is not recommended to discharge under 12V.

    Power consumption measurements:
    BMMCC = 7.75W (8.06W during recording)
    Pocket Cinema Camera 4K = 22W max. (high frame rates, screen at 100% and recording to a media)
    SmallHD 501 monitor (100% brightness) = 6.9W
    Video Assist 5" = 9W

    Discharge time calculations:
    Battery Module average output 14.8V x 3.4A = 50Wh (watt-hour)
    BMMCC = 6.2 hours
    Pocket Cinema Camera 4K = 2.2 to 4 hours (depends of camera settings).
    SmallHD 501 monitor = 7.2 hours
    Video Assist 5" = 5.5 hours

    Battery cells FAQ:
    To avoid problems with Air Mail shipping, battery cells are NOT included in the package. Please purchase 4x 18650 sized UNPROTECTED lithium-ion battery cells somewhere in your local electronics store. Those battery cells are very common nowadays and will cost about $20-25 total.
    Do NOT purchase batteries from unknown sources and unknown online sellers!
    Do NOT purchase cheaper 18650 batteries labeled with something crazy like "4000mAh" or more. Those are fake and crap cells!
    Do NOT mix different battery cells with different capacity, different brands or different age!
    Always keep all electrical contacts clean. Wipe off fingertips with isopropyl alcohol moistened cloth or paper!

    Some useful comparative 18650 battery tests:
    https://endless-sphere.com/forums/viewtopic.php?t=91821
    http://lygte-info.dk/review/batterie...comparator.php
    https://www.youtube.com/watch?v=Qpm91Itv6k8

    Recommended highest capacity (3400-3500mA) 18650 batteries:

    SANYO NCR18650GA
    BEST CHOICE! Maximum continuous load 10A. Normal charging current 1.675A. Maximum charging current 3.35A. Quality brand, low price, slightly extending positive pin friendly for battery holder. Made in Japan. Released in 2015.

    Panasonic NCR18650GA
    Same as SANYO 20NCR18650GA but made in Panasonic China factory branch.

    Panasonic NCR18650B
    Maximum continuous load 6.7A. Normal charging current 1.625A. Released in 2011.

    Samsung INR18650-35E
    Maximum continuous load 8A. Normal charging current 1.7A. Maximum charging current 2.0A. Released in 2015.

    SONY US18650VC7
    Maximum load 8A. Normal charging current 1.0A. Slightly overpriced compare to others, sometimes hard to find. Released in 2016.

    LG 18650 MJ1
    Maximum continuous load 10A. Normal charging current 1.7A. Maximum charging current 3.4A. Released in 2014.

    LG 18650 M36 INR18650 M36T
    Maximum continuous load 5A. Normal charging current 1A. Maximum charging current 2.33A. Released in 2017.

    Recommended lower capacity (3000mA) 18650 batteries:

    Samsung INR18650-30Q
    Maximum continuous load 15A. Normal charging current 1.5A. Maximum charging current 4.0A. Released in 2014.

    SONY US18650VTC6
    Maximum continuous load 15A. Normal charging current 3.0A. Released in 2015.


    Charger FAQ:
    Any existing 16.8V 1-2A CC/CV (Constant-Current/Constant-Voltage) charger will work and will cost you starting from $3:
    https://www.ebay.com/sch/16.8V+charger
    https://www.aliexpress.com/wholesale...=16.8V+charger
    Some battery cells require 1A, some 1.7A normal charge current. For rapid charging some modern batteries may support maximum current up to 4A, but they may became very hot during that extreme charging. Higher charging current = faster charge = quicker battery degradation, but i think it is not a problem when you can just replace battery cells after about 500 full charge cycles (1-3 years of usage). 2A probably the safest and most optimal charging current that provides best speed vs quality ratio. Just to be safe and simple - do NOT use charging current larger than 2A for this battery enclosure.
    Here are recommended reliable and tested series of 16.8V chargers that you can order directly from manufacturer. 1A, 2A, 2.5A, 3A, 4A and 5A models available. They use quality internal parts and have recognizable design that can't be confused with other DC adapters in your bag. Just ask seller for DC plug 5.5x2.1mm and AC plug type depending of your worldwide location.



    DC power connectors compatibility FAQ:
    It is very odd and irrational, but there are two almost similar DC power connector standards walking between devices all around the world: 5.5mm (outer size) x 2.1mm (inner size) and 5.5mm (outer size) x 2.5mm (inner size).
    5.5x2.5mm plug usually fits to 5.5x2.1mm socket but connection may be not too perfect if plug appears too old and outworn.
    5.5x2.1mm plug do NOT fits to 5.5x2.5mm socket.
    It is better to use plug connectors with inner center spring contact. They better hold center pin mismatches.

    If you need more different customized cables check Lanparte online store, eBay, Amazon, AliExpress, B&H, Adorama or any other similar marketplace.

    Powering Tilta Nucleus Nano and Nucleus M FAQ:
    With proper cable or cable adapter you can power Tilta Nucleus N and Nucleus M wireless follow focus motors directly from this Battery.
    For Tilta Nucleus Nano:
    Original Tilta Micro USB to DC cable: https://tilta.com/shop/micro-usb-to-...r-power-cable/
    5.5x2.1mm DC to Micro USB Plug Cables and adapters on eBay: https://www.ebay.com/sch/5.5x2.1mm+D...USB+Plug+Cable

    For Tilta Nucleus M:
    Custom length DC to Nucleus M power cables from aliexpress:
    https://www.aliexpress.com/wholesale...+M+power+cable
    https://www.aliexpress.com/item/TILT...998987520.html

    DC input power socket connectors compatibility list:
    BMMCC/BMMSC original expansion breakout cable - 5.5x2.5mm
    BMCC - 5.5x2.5mm
    BM Video Assist - 5.5x2.5mm
    BMPCC - 2.5(2.35)x0.7mm
    OLR Lite Breakout Box - 5.5x2.5mm
    CGPro BMMCC/BMMSC Breakout Box - 5.5x2.1mm
    SmallHD 500 series DC Faux LP-E6 Adapter - 5.5x2.1mm
    SmallHD DP series - 5.5x2.1mm
    All Atomos 7” recorders - 5.5x2.1mm
    Angle Breakout Expansion Box by RADIOPROEKTOR - 5.5x2.1mm
    Battery Enclosure Module by RADIOPROEKTOR - 5.5x2.1mm
    Juicebox Magic Power - 5.5x2.1mm
    ikan VL5, VL7, VH8, VK7(i), VX7(e,i), D5(w), D7(w), and VX9(e) monitors - 5.5x2.1mm
    ikan iLED144, iLED-ONE, iLED6, iLED312(-v2), ID(B)508 LED Light Units - 5.5x2.1mm

    Alternate Quick Release mounting systems for this battery:
    Compact size Arca Swiss Clamps
    Flat Manfrotto 200PL QR clamp by FotoPanda
    SmallRig Super lightweight 15mm RailBlock v3 942
    SmallRig NATO Clamp 1885
    SmallRig Handgrip Rosette Adapter
    A MiniMart Mini Rapid Quick Release Plate
    KONDOR BLUE Mini Quick Release Plate
    POWRIG DSLR Monitor Quick Release Plate Adaptor
    POWRIG Quick Release Plate Mount 1700-H Adaptor
    Slidekamera ultra compact V-Mount system
    Wooden Camera V-Lock Base Station and Wedge Kit
    Oben QRA-R2 Quick Release Assembly with RP-20 Plate
    Cameo V-Lock Kit
    Velbon QRA-3 B Mini Quick Release Adapter
    Last edited by shijan; Today at 09:23 AM.
    All my custom made accessories for BMMCC/BMMSC now available here https://lavky.com/radioproektor/
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  2. #2  
    Senior Member shijan's Avatar
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    And more images:







    Last edited by shijan; Yesterday at 03:51 PM.
    All my custom made accessories for BMMCC/BMMSC now available here https://lavky.com/radioproektor/
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