charging
ok, have you heard of batt. "memmory", ni-mH wont get a memmory cause of there make up, the hot ticket these days, but run down a little faster than ni-cad, ni-cad's WILL get a memmory, it remembers the last time you shut it off, & could die at that point, lets say you have a fully charged ni-cad pack, ran for a bit then went home with the ni-cads 1/2 charged, charged them again & went out the next day, now the pack gets 1/2 way down & completly dies!!!, dead, 0, that it, i've seen this happen more than once, folks go buy another pack thinking there's went bad, like a computer hard drive the ni-cad's get something like a fragment or mark where ever there shut off & could die at any time at one of these "marks" i've seen a ni-cad pack go from 3/4 charge to DEAD in a second sending the car out of control into the side of a house tearing off the front end & tweaking the lower frame & it never drove straight again. Thats why its important to "recycle" & why they make cycle'rs. Mi-mh's dont get this memmory, so if your packs are ni-cad & haven't cycled them in a year get a good return spring on your throtle servo, or a fail safe, cause its gonna happen, + recycleing n-cad's will extend there life & running time, go to
www.howstuffworks.com & read up on it, most charger makers tell you to recycle every 30-days if your pack is used alot, later