PineDominator Posted September 3, 2012 Share Posted September 3, 2012 (edited) I personally would only cut red/+5 volts, only on the cord. but If I was to actually do this I would get a 2 amp diod and place that inline, that way the hub could get extra power from the pineapple. Edited September 3, 2012 by petertfm Quote Link to comment Share on other sites More sharing options...
pizzafries Posted September 3, 2012 Author Share Posted September 3, 2012 Findings from usb extension cable: no joy by snipping the black GND. The hub is mains powered on and the usb memory stick led is on. If I reconnect the black to black again and red to red the device led flashes and loads up ok... This is quite strange behaviour. How can I post a pic of my usb cable to share with you guys? Quote Link to comment Share on other sites More sharing options...
Neworld Posted September 3, 2012 Share Posted September 3, 2012 Findings from usb extension cable: no joy by snipping the black GND. The hub is mains powered on and the usb memory stick led is on. If I reconnect the black to black again and red to red the device led flashes and loads up ok... This is quite strange behaviour. How can I post a pic of my usb cable to share with you guys? It's easier to post pictures by getting a flikr account and linking to the photos.... The attach files option doesn't allow it to be very large. Quote Link to comment Share on other sites More sharing options...
pizzafries Posted September 3, 2012 Author Share Posted September 3, 2012 Here is the butchered usb ext cable, lol http://www.flickr.com/photos/pizzafries/7924770488/in/photostream Quote Link to comment Share on other sites More sharing options...
Neworld Posted September 3, 2012 Share Posted September 3, 2012 Here is the butchered usb ext cable, lol http://www.flickr.co.../in/photostream You might want to try a usb cable and not a usb extension cable. Quote Link to comment Share on other sites More sharing options...
pizzafries Posted September 3, 2012 Author Share Posted September 3, 2012 il try a usb cable instead, I was wanting to make a modified usb cable which I could place inline to prevent backfeed on many mains powered usb hubs. Quote Link to comment Share on other sites More sharing options...
Dosk3n Posted September 7, 2012 Share Posted September 7, 2012 Just got this battery back. Its great. I have to have it set at 12v for the USB memory to work so I am glad it has that option. Quote Link to comment Share on other sites More sharing options...
SinisterRaccoon Posted September 7, 2012 Share Posted September 7, 2012 I too also just received my battery, loving it so far Quote Link to comment Share on other sites More sharing options...
intertan Posted September 22, 2012 Share Posted September 22, 2012 I just had a thought, it say I were to get 2 of these batteries would it be possible to parallel them up to get the unit to last twice as long? Quote Link to comment Share on other sites More sharing options...
PineDominator Posted September 22, 2012 Share Posted September 22, 2012 I just had a thought, it say I were to get 2 of these batteries would it be possible to parallel them up to get the unit to last twice as long? I would not try that as this battery is controlled by some electronics and that would not be good. how about powering the pineapple with one and the powered hub with the other? Quote Link to comment Share on other sites More sharing options...
NullNull Posted September 22, 2012 Share Posted September 22, 2012 (edited) I have two astro3, one for my iphone and one for my pineapple so i did some test's a few weeks ago. (all the times are counted while the pineapple was using WM's "jammer" module jamming all netwroks in range with the alfa nha, wich mean's CPU usage over 90% and maximum power sucking from the nha). Here is what i saw: No! It is not possible to connect two astro3 in parallel. I made a simple Y cable to try this but they have an electronic system wich turns the battery off if it is not supllying power for 30 secs. So only one will stay on, powering the pineapple and the other wiil turn off after 30 secs. Mayde someone with bigger knowlege for electrical/electronic systems can suggest us a way to bypass this but i doubt. But there are ways to use both batteries at the same time: 1) Use one to power the pineapple with 5, 9 or 12 V (i suggest 9) and one to power the usb hub with 5 V 2000ma (as petertfm said). In this case my usb hub is working like this: is using as much as it can's the power comming from the pineapple and the the rest from the battery wich is powering the hub. In my opinion (always talking for mine usb hub) the power to suply the devices connected to it (NHA and usb stick) is 60% from the pineapple and 40% from the second battery. So when the battery powering the pineapple turns down the battery powering the hub wiil steel have 35-40% power left. Total time online: 12+/-1 hours 2) Use one to power the pineapple with 5, 9 or 12 V (i suggest 9) [#2] and one to power the NHA with a Y cable with 5V 2000ma [#1]. If you do not plan to use the alfa NHA for a long time use also a cable to power the hub from the battery powering the alfa alse don't.[#1]. Total time online: 17+/-1 hours | 3) Use one to power the pineapple with 5 V 2000ma [#2] and one with a Y usb cable to power the NHA with 5V 2000ma[#1]. In this case you are backfeeding the pineapple.I have no idea why this is dangerous for the pineapple but if the forum member's say not to do it i wont. For backfeeding to take plase (so u can use both batteries to power the pineapple) both baterries must have the same Volts as output and because the NHA can only work with 5V the pineapple must be powered with 5V also. If you suply 9V to the pineapple backfeeding will not take place. Total time online: 21+/-1 hours I DO NOT RECOMMEND BACKFEEDING! Edited September 22, 2012 by KiatoG Quote Link to comment Share on other sites More sharing options...
orion_soft Posted May 18, 2013 Share Posted May 18, 2013 (edited) I have a question, I bought a usb hub like the one they sell on the hak5 shop. and i sadly found out it was back feeding the pineapple and powering it through the hub. I want to avoid this... so if i understand this post, my idea of a solution is to add a usb extension cable with the +5 red and black GND cable cut to prevent back feeding. [shown below] So, before I destroy the usb extension cord... Would that correct the back feeding issue? Thanks in advance -Orion Edited May 18, 2013 by orion_soft Quote Link to comment Share on other sites More sharing options...
BeNe Posted May 18, 2013 Share Posted May 18, 2013 (edited) Since the Astro3 is no more available for me here in Germany (only Astro3E) i search for an alternative battery pack. Found one at Amazon -> XT Power MP-10.000mAh Someone use this already ? Need power for my pineapple + raspberry pi. -> http://www.amazon.com/XTPower-10000mAh-Recorders-Sensation-Connectors/dp/B00935L44E/ref=sr_1_4?ie=UTF8&qid=1368883415&sr=8-4&keywords=XTPower%C2%AE+Powerbank Thanks & Greez BeNe Edited May 18, 2013 by BeNe Quote Link to comment Share on other sites More sharing options...
say.what Posted May 18, 2013 Share Posted May 18, 2013 My choice was a Powergen power bank 12000mAh 3outs [ 1 x 5v 1A & 2 x 5v 2A(shared) totally 3Amps max output] a useful, tiny, longlasting and beautiful object too!! ;) charging input -> 5v - 12v 2A max (about 7h for a full charge @2Amps)http://www.amazon.co.uk/PowerGen-PGMPP12000-12000mAh-sensation-Thunderbolt/dp/B0085OB0IE/ref=sr_1_2?ie=UTF8&qid=1368886617&sr=8-2DISCLAIMER: I'm not in any way related to the producer/product/seller/etc.. I just want to share my personal exp.!!!I also find veeery useful in my setupz a short T usb cable from an old 3g usb (1 female full tx-rx connector and 2 males (1 full tx-rx and 1 only powered)) I tipically use it to power my usb hub (from powergen) while, at the same time, i connect to it my ext. alfa..sorry i can't point you where you can find it!!respect Quote Link to comment Share on other sites More sharing options...
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