Watch video to see how to do it.
Hook up larger pack to the same voltage terminals as the old pack. I added 2 extra AA's with this pack.
Comments disabled due to all the ohhh, your car is BS I have a more expencive car and it goes XX miles an hour. Well, you can't fix stupid, this car is stupid. If I had $100 to buy a nice RC car, I WOULDEN'T, because I need other things, this is just an experiment. NOT my main intrest.
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