brushless and A123 questions

[zeropointbug]

Highflier, that really does make me nervous when I hear you using the 12v battery 'mod' as a charger, I have seen it be done, but I prefer some decent electronics.

Brian, the A123's don't dip at all, but instead anything over 3.8v/cell, the voltage takes off like a sky rocket. At that point will most likely be very damaged if allowed to go over 4.0v/cell. But I hear 4.0v/cell is actually doable with these things.

If you want to use JUST CC, then you could use 3.8v/cell and use roughly 10 amps or more per 1p configuration, and then terminate charge once voltage is reached... I believe this will get you 96% SOC.

[Finnster]

That method is called the "nuclear charge" as I've seen it. Yeah, basically the wire is to provide some small amt of resistance so its not quite a dead short. Like a CV charge w/ barely limited current. I saw a wattmeter graph of it, and some of the initial charging was like 40-50A+ but obviously tapered off towards completetion. The idea is you try to match the # of cells to the lead batt, ie for 10S you would hook up to a 3S lead batt, then cutoff before it overvolts. Some people were charging M1s in like 5min depending on current limiting.