We are looking at those on the http://www.insightcentral.net
forum for our A123 builds.
We have spoken to the manufacturer about one type the 51943
Out of all the Termi Foil options listed I think it's best for the general cell interconnects as it offers the biggest surface area cover for the A123 tabs. It also has a simple 1/4" spade connection for the BMS/voltage taps.
The main power connections could be made by soldering a heavy gauge wire to the opposite end of the termi connector from the spade tab before it is crimped onto the cell tab.
It is shown as tin coated copper.
Max tab thickness is 0.76mm so you might just be able to make a 2P connection certainly 1P should be fine. http://www.te.com/commerce/DocumentDeli ... ntxt=51943
Ideally we would like a special Termi Foil product made which covers more/entire standard A123 tab area and has more punch points and an option of a screw terminal at the ends. This is a no go they won't consider a new product even for an order of 25,000 connectors.
A group purchase of the special crimping tool may well be a good idea.
From speaking to the company they have no samples available and are searching around for some for me.
The MOQ is 2000
and delivery would be around end July.
Hi Peter, have to have a look at your insight thread, i did'nt know you guys were already onto it
Would be a few options, versatile, and what you've come up with sounds great.
i was considering 2x double splice like http://www.onlinecomponents.com/te-conn ... p=10359869
, balance wires would just sit in the crutch as it is crimped, trim overlaps off, solder series and parallels, they're only about $0.70 US each so beats bus for me, with battery ends i'd maybe tin and bolt thru lugs.
Are you guys going to solder down the side of the termination, that should be ok, i was thinking across the the top.
With current rating they specify similar to 10/12 AWG, I'm from metric land so this equates 5-6mm2, i would have to say each single termifoil splice would do about 40A.
Would have about the equiv to 3 splices, when one is trimmed 120A which would exceed 20AH tab normal maximum current rating anyways.
With the crimper, they specify a seperate die so its probably fits standard crimping tools. $1000
sounds like a hydraulic one, how many are you thinking of doing
I work as a sparky and the hand tool do'nt look much different to hand crimpers we use for fast on's and the like, it would obviously have a wider jaw, like the larger crimpers and probably a flat looking die.
I'll try and get more info tool or die from my wholesaler here in Oz.
Yeh that would be good to have the manafacturer do a private run,
Shame won't come to the party
, might have to have to get those samples and a lot of metal sheet hmmm
Iron Horse SGS Pro DH.
72V 16AH lipo. 3kW charging system.
Modded Crystalyte 72V/50A, regen, 3 stage overcurrent.
4060 ☆/\, 20mm cover holes.
Hyena supplied motor (much appreciated Onya mate)
Gokart A123 20Ah, 72V, PM72301, Mars motor.