Does anyone know electronics and lithium batteries? If so, is it possible to have a pair of lithium batteries where one is being used, whilst the other is being charged. And, when the used one is running at a specific low, they will flip electronically so that the used one can b charged and the charged on can b used?
My kid has a little battery car and now wants a better one co’s the batteries don’t last long, my response was, let’s see if we can find a way to make this one (car) last longer. His response was, why don’t we wire them together so we paralleled them which worked for a day.
He then came back and asked (after we had charged them) why can’t we charge them when the car runs, hmmm sounds like fun. Hence my question. Does anyone know if an electronic map is avail anywhere that will show us how to build a system.
Happy Holidays and thanks for taking the time to read this