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Taking Care of NiCad and NiMH Batteries
Two popular types of rc car batteries are NiCad and NiMH. The NiCad are cheaper and easier to maintain. The NiMH provide longer run time and require more care and maintenance.
For stock racing and playing, NiCad are good. For serious modified motor racing, the NiMH are a must to be competitive.
For small, tight tracks, look for battery cells that have lower internal resistance (IR). This is for faster acceleration.
For large, high speed, flowing tracks, look for battery cells with higher voltage for higher top speed. Example a cell labeled with average voltage (AV) of 1.180 is better than 1.170.
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