Quote:
Originally Posted by Isaac Zachary
True. But NiMH still seem more robust and need less thermal management and less battery balancing than Li ion. NiMH works well below zero (Fahrenheit) without any need for a battery heater. And battery management doesn't even need a lead to every cell. In fact NiMH systems don't even have active balancing. The cells just balance themselves due to higher charge levels causing higher self-discharge rates.
Optimal? No, but simpler and more robust.
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If you go as far as including a hybrid system, you might want it to work effciently so it actualy decreases fuel consumption properly.