Originally Posted by
sweems
I'm guessing these are 2 cell packs. The .8 volt pack is probably done, it likely has been over discharged.
Lipo cutoff is an esc feature that cuts off the drive voltage when the individual cells drop below a preset voltage, usually in the 3.2-3.5 volt range. The car will either stop running or noticeably slow, they may also flash indicator lights depending on esc brand.
Did you run the 8.4 volt battery or am I mistaken by assuming these are 2 cell packs?
Yes both packs have been run and are 2 cell. the one pack at 8.4 is running fine. the .8 volt two cell must be toast as you suggested. Both charged with a balance charger
Regarding the ESC im pretty sure it has a lipo safety feature some sort, The car is a RTR by Associated with all Greedy branding/components.
This seems to be operator error. Im old school regarding batteries. I ran both down then charged them for long term storage (thinking lead acid battery).
So im good if i run battery to 3.x V for storage? Also,
Where would I dispose of a LIPO battery?
and, since i need to buy a battery pack, what are your thoughts on a 3 cell pack? gear the car up? (isnt there some inverse relationship regarding gearing and thermal)?
Fyi, im writing this for my son Andy. This is a learning experience for both of us. Im from the 80's with the grasshopper and other old school cars.
TIA, Andy