Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW
If the price is right, I might be temped to buy some packs for an EV Put me down for a possible 5 to 7 packs.
Has anyone thought about charging large A123 packs for EVs? I don't want to buy ten small chargers and balancing sounds more important after Glen's Robowars experience. _________________ Australian 2015 Featherweight champion
UK 2016 Gladiator champion
Tue Jan 22, 2008 8:30 pm
Glen Experienced Roboteer
Joined: 16 Jun 2004
Posts: 9481
Location: Where you least expect
ive got to think about that too for my mini bike. its going to have all 6 in it so thatll be interesting to charge.
i think if we have a massive balancer then it would be plenty safe to charge the packs in parrallel so we could just use a 10 cell LIFE charger at 10 amps like the infinity etc. which should charge the whole bike in an hour.
Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW
I was thinking along the same lines. the EV packs will have parallel strings of cells so "in theory" we should only need an active balancer that does one string of cells and then buy one for each string. I know there are LIPO balancers that will do up to 10 cells, so a similar LIFE balancer can't be too far off. _________________ Australian 2015 Featherweight champion
UK 2016 Gladiator champion
Tue Jan 22, 2008 8:42 pm
dyrodium Experienced Roboteer
Joined: 24 Aug 2004
Posts: 6476
Location: Sydney
The Hyperion LBA10 balancer comes close, its got A123 settings and you can string two together for 12 cells. I'm going to get two soon. Add those to my 10A 12S capable charger and your set. _________________ ( •_•)
Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW
Hey, that was easy! I notice that the price is right too:
http://www.extremerc.com.au/chargers_balancers.htm
and that is just the first local source I found, the will probably be even better deals to be had _________________ Australian 2015 Featherweight champion
UK 2016 Gladiator champion
Tue Jan 22, 2008 9:13 pm
dyrodium Experienced Roboteer
Joined: 24 Aug 2004
Posts: 6476
Location: Sydney
Nope, that's probably about it Nick I bought my charger from there, the guy is called Mark and is really helpful! _________________ ( •_•)
Joined: 05 Dec 2005
Posts: 497
Location: Mt Druitt,Sydney,NSW
put me down for 2-4 glen yey cheap cells _________________ A journey of a million miles begins with a single step followed by a hell of a lot of other steps so get walking
yeah Angus, getting me two packs would be exellent. Count me in _________________ Oh god, that old signature was terrible...
Wed Jan 23, 2008 10:54 am
Glen Experienced Roboteer
Joined: 16 Jun 2004
Posts: 9481
Location: Where you least expect
cool where past the 50 packs point. i contacted a couple of Ebay sellers and definitely wont get them any cheaper than $50US there. so im guessing that is around the wholesale price.
ill ring the locals and distributors this arvo.
but in any case $70us from ebay seems to be the cheapest the big sellers will get me. hopefully the distributors will knock that down a tad. _________________ www.demon50s.com - Minimoto parts
http://www.youtube.com/user/HyzerGlen - Videoooozzz
Wed Jan 23, 2008 12:01 pm
Nick Experienced Roboteer
Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW
How about paying a friendly US builder to be our agent with the distributors? It isn't likely the distributors will want to ship outside the US, so paying a builder in extra packs to trans-ship our packs would probably be cheaper than an EBay seller looking to make a margin. If we were lucky, we could bump the order up to 100 packs with other US builders jumping onboard
Chad's an enterprising guy... _________________ Australian 2015 Featherweight champion
UK 2016 Gladiator champion
Wed Jan 23, 2008 7:06 pm
NMO Experienced Roboteer
Joined: 16 Jun 2004
Posts: 486
Location: Melbourne
Hey Glen,
Damn I need to keep miore up to date with this forum
Put me down for 2 packs
Wed Jan 23, 2008 8:10 pm
Glen Experienced Roboteer
Joined: 16 Jun 2004
Posts: 9481
Location: Where you least expect
haha fair enough, how was work after sunday for yah Neweyn
had some time at work with the purchasing guys to find the OEM manufacturer of the cells. so i was thinking we could order the 500-600 cells as "samples". and yes that would probably be about a sample size
if everyones happy to recieve the bare cells? ill get them to start conversing with them with regards to price and things. but they also sell about 300 versions of this cell in different sizes and capacities etc. _________________ www.demon50s.com - Minimoto parts
http://www.youtube.com/user/HyzerGlen - Videoooozzz
Wed Jan 23, 2008 8:14 pm
Nick Experienced Roboteer
Joined: 16 Jun 2004
Posts: 11802
Location: Sydney, NSW
I'm happy to go with the majority, but a little more AH capacity would be nice. _________________ Australian 2015 Featherweight champion
UK 2016 Gladiator champion
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