By using a dapter with the astroflight charger. Basically it tricks the charger into thinking it's working with nicads and monitors the voltage of the A123s. Once it reaches a the appropriate voltage for the A123s it tells the charger that the pack is full.
http://www.slkelectronics.com/lipodapter/index.htm
It doesn't balance the pack but I never found a problem not balancing the cells. A132s can pretty much be treated like nicads and nimh in this respect.
If I shift this charger I may well shift the dapter too along with the A123 pack I used in hornet, interested?



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