If you need assistance, please send an email to forum at 4hv dot org. To ensure your email is not marked as spam, please include the phrase "4hv help" in the subject line. You can also find assistance via IRC, at irc.shadowworld.net, room #hvcomm.
Support 4hv.org!
Donate:
4hv.org is hosted on a dedicated server. Unfortunately, this server costs and we rely on the help of site members to keep 4hv.org running. Please consider donating. We will place your name on the thanks list and you'll be helping to keep 4hv.org alive and free for everyone. Members whose names appear in red bold have donated recently. Green bold denotes those who have recently donated to keep the server carbon neutral.
Special Thanks To:
Aaron Holmes
Aaron Wheeler
Adam Horden
Alan Scrimgeour
Andre
Andrew Haynes
Anonymous000
asabase
Austin Weil
barney
Barry
Bert Hickman
Bill Kukowski
Blitzorn
Brandon Paradelas
Bruce Bowling
BubeeMike
Byong Park
Cesiumsponge
Chris F.
Chris Hooper
Corey Worthington
Derek Woodroffe
Dalus
Dan Strother
Daniel Davis
Daniel Uhrenholt
datasheetarchive
Dave Billington
Dave Marshall
David F.
Dennis Rogers
drelectrix
Dr. John Gudenas
Dr. Spark
E.TexasTesla
eastvoltresearch
Eirik Taylor
Erik Dyakov
Erlend^SE
Finn Hammer
Firebug24k
GalliumMan
Gary Peterson
George Slade
GhostNull
Gordon Mcknight
Graham Armitage
Grant
GreySoul
Henry H
IamSmooth
In memory of Leo Powning
Jacob Cash
James Howells
James Pawson
Jeff Greenfield
Jeff Thomas
Jesse Frost
Jim Mitchell
jlr134
Joe Mastroianni
John Forcina
John Oberg
John Willcutt
Jon Newcomb
klugesmith
Leslie Wright
Lutz Hoffman
Mads Barnkob
Martin King
Mats Karlsson
Matt Gibson
Matthew Guidry
mbd
Michael D'Angelo
Mikkel
mileswaldron
mister_rf
Neil Foster
Nick de Smith
Nick Soroka
nicklenorp
Nik
Norman Stanley
Patrick Coleman
Paul Brodie
Paul Jordan
Paul Montgomery
Ped
Peter Krogen
Peter Terren
PhilGood
Richard Feldman
Robert Bush
Royce Bailey
Scott Fusare
Scott Newman
smiffy
Stella
Steven Busic
Steve Conner
Steve Jones
Steve Ward
Sulaiman
Thomas Coyle
Thomas A. Wallace
Thomas W
Timo
Torch
Ulf Jonsson
vasil
Vaxian
vladi mazzilli
wastehl
Weston
William Kim
William N.
William Stehl
Wesley Venis
The aforementioned have contributed financially to the continuing triumph of 4hv.org. They are deserving of my most heartfelt thanks.
Registered Member #205
Joined: Sat Feb 18 2006, 11:59AM
Location: Skørping, Denmark
Posts: 741
With an IPad Air2 under the christmas tree, I have joined the ranks of fellow dropouts, who lie on the couch watching Hi-Rez videos. I would, however, also like to be able to watch videos while travelling, so I bought a WD MyPassport to act as a video host, transferring the signal to the IPad via built in WiFi. I chose this drive due to it also has a SD card slot, so I can back up photos too.
This drive contains a traditional HD, and after 4 hours, the battery is flat, I would like to see 8 hours of uninterupted streaming if possible.
I see 2 scenarios, put in a SSD and/or increase the battery size. I have already tried out a OCZ Agility 3 drive instead of the original drive, and this increased the battery life by 30%, and I will try to test it with a Samsung 840 EVO drive, because they seem to have very low consumption. I do, however, doubt that the stock battery will be able to hold up for 8 hours of video.
This leads me into asking about the Li-Po batteries out there. The stock battery, I can only find it on Alibaba, at 1000 minimum order, so not really an option here. There are others, and I might be able to find one that fits, but they all come with 2 wires out, red and black. The original battery has 2 red, one yellow and 2 black wires coming out of it.
What are the chances of parallelling the original battery with one of the 2-wire batteries, and how will this affect the charging circuit.
Registered Member #11591
Joined: Wed Mar 20 2013, 08:20PM
Location: UK
Posts: 556
You don't want to mess with lipos: they have a tendency to explode at the slightest misuse. If the cells are not perfectly matched, they will not last long, if not catch fire!
Registered Member #2431
Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
Its just an external hard drive right?
get rid of the original battery, attach a SMPS (if needed) then an RC battery LiPo. i dont see a problem as long as similar cells are in parrallel and or series. just dont go mixing them.
if the oringal battery was lipo ypu may not need to do much than de-solder then resolder.
Registered Member #205
Joined: Sat Feb 18 2006, 11:59AM
Location: Skørping, Denmark
Posts: 741
Sulaiman,
You are right about the power pack, because it can be connected to the external disk, and sharge the internal battery, while still keeping the WiFi going. I`l go with that solution. WD Passport and battery pack, wrapped in gaffa, look cool!.
This site is powered by e107, which is released under the GNU GPL License. All work on this site, except where otherwise noted, is licensed under a Creative Commons Attribution-ShareAlike 2.5 License. By submitting any information to this site, you agree that anything submitted will be so licensed. Please read our Disclaimer and Policies page for information on your rights and responsibilities regarding this site.
About Li-Po
