Ok, I've got the slipper issue fixed, but now I think I have figured out why the performance is lacking. I ran my whattmeter for a run today, and my ib4200 batteries are way down in performance. When they were new 2 weeks ago, I was getting 72 amp peaks with a voltage of 6.26 volts per pack. Now i just got peaks of 54 amps, and the voltage dips down to 5.6 volts. Total mah was only 3400 until they dumped. They have been taking 4200-4300 mah on charge, so I thought they were doing good, but now I realize they are getting really weak already. I only have 25-30 cycles on these packs. I have a lot of small lipo packs for my 3d planes with over 100 cycles on them with very little performance drop. I got the nimh batts for winter bashing, thinking they would be more durable then lipo in the snow, but I guess I wasted $90 on them. I wonder if taking apart the stick packs and balancing them would help? Anyone know much about these ib4200 cells?
