In Broadcast - November 2017 - 50
50
www.inbroadcast.com | Vol: 7 - Issue 11 | November 2017
InTech
What's Fresh In Batteries
Contributing Editor David Kirk notes that
electric cells are driving the world...
P
ower, whether from portable
supplies, plug-in mains, oilpowered generators or more exotic
sources, is something one takes
pretty much for granted until it fails.
One cheap and inexhaustible power
source tried several decades ago and
since abandoned was spring-driven
clockwork, chosen by Stefan Kudelski
to drive his first prototype Nagra audio
tape recorder (Nagra I, 1951) and
Blueshape Granite Two battery
carried through to the first production
model (Nagra II, 1953-1955). He then
realised that, to quote an almost
equally ancient commercial, better
things are electric.
Mobile power is today dominated
largely by electrical cells, usually
but not always nested into batteries.
In the broadcast industry, the
need for reasonably high storage
capacity combined with light weight
has long kept lithium-ion as the
dominant technology. This short
article reviews some of the
latest commercially
available
battery
products
for
powering television
cameras and lights.
Anton/Bauer's new
LPD
Discharger
can
discharge up to four 90Wh
batteries in
three hours or
less, helping customers
comply
with
the
IATA
regulations that state that lithium-ion
batteries transported as cargo must
be charged to no more than 30% of
their rated capacity. Weighing less
than 1kg, the discharger is fan-cooled
and thermally protected. It is available
for either Gold Mount or V-Mount
batteries.
Blueshape's Granite Two battery,
although more compact than existing
models, can deliver up to 9 amps
continuously. It has a five-LED
capacity display gauge integrated
Anton/Bauer
LPD Discharger
with battery balancing
and monitoring and also
provides digital communication
with compatible devices. Two
additional power outlets through
D-Tap sockets are located on the
battery sides. These are independently
protected against shorts and overload
and provide up to 5 amps. They can be
used to power devices working at 14.8
volts nominal or even USB powered
gadgets and chargers through the
PT-USB adapter. IATA restrictions
allow two pieces per passenger to be
transported in hand luggage or as the
checked-in luggage if installed in the
equipment.
http://www.inbroadcast.com
http://www.antonbauer.com/en-US/Shop/products/lpd-travel-discharger-gold-mount
http://blueshape.net/index.php/products/accessories/acessories-for-red/bv150two-detail.html?jjj=1510328833537
http://www.paguk.com
http://www.paguk.com
Table of Contents for the Digital Edition of In Broadcast - November 2017
Contents
In Broadcast - November 2017 - Intro
In Broadcast - November 2017 - Cover1
In Broadcast - November 2017 - Cover2
In Broadcast - November 2017 - Contents
In Broadcast - November 2017 - 4
In Broadcast - November 2017 - 5
In Broadcast - November 2017 - 6
In Broadcast - November 2017 - 7
In Broadcast - November 2017 - 8
In Broadcast - November 2017 - 9
In Broadcast - November 2017 - 10
In Broadcast - November 2017 - 11
In Broadcast - November 2017 - 12
In Broadcast - November 2017 - 13
In Broadcast - November 2017 - 14
In Broadcast - November 2017 - 15
In Broadcast - November 2017 - 16
In Broadcast - November 2017 - 17
In Broadcast - November 2017 - 18
In Broadcast - November 2017 - 19
In Broadcast - November 2017 - 20
In Broadcast - November 2017 - 21
In Broadcast - November 2017 - 22
In Broadcast - November 2017 - 23
In Broadcast - November 2017 - 24
In Broadcast - November 2017 - 25
In Broadcast - November 2017 - 26
In Broadcast - November 2017 - 27
In Broadcast - November 2017 - 28
In Broadcast - November 2017 - 29
In Broadcast - November 2017 - 30
In Broadcast - November 2017 - 31
In Broadcast - November 2017 - 32
In Broadcast - November 2017 - 33
In Broadcast - November 2017 - 34
In Broadcast - November 2017 - 35
In Broadcast - November 2017 - 36
In Broadcast - November 2017 - 37
In Broadcast - November 2017 - 38
In Broadcast - November 2017 - 39
In Broadcast - November 2017 - 40
In Broadcast - November 2017 - 41
In Broadcast - November 2017 - 42
In Broadcast - November 2017 - 43
In Broadcast - November 2017 - 44
In Broadcast - November 2017 - 45
In Broadcast - November 2017 - 46
In Broadcast - November 2017 - 47
In Broadcast - November 2017 - 48
In Broadcast - November 2017 - 49
In Broadcast - November 2017 - 50
In Broadcast - November 2017 - 51
In Broadcast - November 2017 - 52
In Broadcast - November 2017 - 53
In Broadcast - November 2017 - 54
In Broadcast - November 2017 - 55
In Broadcast - November 2017 - 56
In Broadcast - November 2017 - 57
In Broadcast - November 2017 - 58
In Broadcast - November 2017 - 59
In Broadcast - November 2017 - 60
In Broadcast - November 2017 - 61
In Broadcast - November 2017 - 62
In Broadcast - November 2017 - 63
In Broadcast - November 2017 - 64
In Broadcast - November 2017 - 65
In Broadcast - November 2017 - Cover3
In Broadcast - November 2017 - Cover4
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