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  1. H

    BMSBattery/ECityPower Experience

    when testing individual cells can you take off the aluminum box and put a volt tester on each cell while still connected in series or parallel? or do they have to be individually tested? can you test a series row usually to just test 4 or 5 times?
  2. H

    BMSBattery/ECityPower Experience

    thanks i have made a search but mostly what i run into are chargers or bms only not so much their batteries
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    BMSBattery/ECityPower Experience

    BMSBATTTERY? what do u guys think about this i just saw it posted on the fb group they got some really good prices on some of the batteries but are they reliable or good sellers? i did a search and saw many people mention buying parts from them, im not sure if they just recently started selling...
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    BMSBattery/ECityPower Experience

    what do u guys think about this i just saw it posted on the fb group they got some really good prices on some of the batteries but are they reliable or good sellers? i did a search and saw many people mention buying parts from them, im not sure if they just recently started selling batteries vs...
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    charging lifepo4 pack w/SLA charger dangerous?

    thanks guys but im a bit confused now, some say to time it and make sure not to overcharge, dogman says as long as it doesnt charge to around 10v over, ull end up leaving it on pretty much all the time, or atleast alot longer, so do you guys have any tips or guidelines to go by and not...
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    charging lifepo4 pack w/SLA charger dangerous?

    so im a lifepo4 weenie and i want to build a 12ah headway pack, i want to keep it all together when i charge it, ive seen some real cheap scooter chargers on ebay, and some real expensive lifepo4 chargers on other sites, some well over $100 and i cant see what it is they do that merits paying...
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    ATX power supply

    what about these guys http://cgi.ebay.com/110V-AC-12V-DC-Car-Outlet-Power-Converter-Adapter-/200506815424?pt=LH_DefaultDomain_0 http://cgi.ebay.com/AC-100-240V-DC-12V-Adapter-Converter-Power-Supply-New-/150429506977?pt=LH_DefaultDomain_0
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    Boom box ghetto blaster bike -alert traffic in a cool way?

    wow thats a hell of an answer john! thanks for clearing up efficiencies i always thought it was the db u wanted to worry about, glad u explained all that, so ok, im definitely interested in what you said about 1 watt to 4 watt speakers pulling off massive sound with not so much distortion, bass...
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    New Turnigy liFe packs

    seems like they look good on paper but from reviews there pop out a couple of complaints, mainly that they swell after like 50 uses, they say it in the store reviews but also found this as well http://www.rcuniverse.com/forum/fb.asp?m=9738331
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    will buying a BMS lock me in? BMS flexibility

    im a noob and im looking into buying my first battery system, but BMS are just so confusing, so what are things i need to look for, and what limitations will they include, for example, can they support different setups or can i maybe add a couple more cells later when i have more money? also, im...
  11. H

    Is regen safe for Ebikekit 36V 9AH?

    these look nice for a starter kit, anybody know what brand bms their battery pack carries inside?
  12. H

    Boom box ghetto blaster bike -alert traffic in a cool way?

    so i was just looking at my set of pc speakers and thought, anyone considered using these? it had already ocurred but brushed it off since theyre wall powered, but i forgot the fact that they run a DC brick, making it easy for one to simply hook a bunch of AA's in a box, plug that thru the DC...
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    Series Parallel with Cellog 8

    so whats the difference between the celllog, the battery medic, and the watt meter? all from turnigy, just to make sure, so would you need a cell log for each? i remember reading something by dogman about putting some 3$ low voltage alarm on each cell, and then hooked up to a main lvc alarm...
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    Any info on: Turnigy 4500mAh 6S2P 30C LiFePo4?

    looks like theyve been around for a while i found this thread but it died down comparing them to a123's by liveforphysics and a coulpe other experienced guys which in that case would be an excellent option, seems strange there wouldnt be more interest if that was the case though...
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    ATX power supply

    how are you guys testing this and not frying alot of batteries while doing it?
  16. H

    A different approach to battery management...

    what do the kits in the store provide so far? is it only voltage protection to stay in the lifepo4 4v range because from bigbore's pics the boards seem pretty light, perfect for newbies like me 8) i remember reading a couple posts up about one 'full' kit that was going to be broken up to the...
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    Accidentaly charged 20C lipo to 2.4C !! 6x 6s pack to 1700W

    what is the useful life cycles of lipo vs lifepo4? ive heard alot of buzz for these for performance, what about as a daily commuter would they be better than lifepo4? why or why not
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    charging LiFePo4 with solar cells

    how bout those new solar roof shingles DOW is comin up with? i dont know when theyre starting the rollout but im sure that will be definitely cheap, or those inkjet printed solar panels compared to the silicone ones, theyre trying to get it at $1 per watt, dont know how far along they are...
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    Any info on: Turnigy 4500mAh 6S2P 30C LiFePo4?

    the comments posted on this pack dont sound too good which is strange because alot of people here with the 5ah LIPO from turnigy are very satisfied
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