MX500 to Lithium upgrade

So I have an MX500 and it works great. My daughter loves it. The batteries are from Guber and they last a while. However lithium would be an awesome upgrade. Check out TheMrWlsn ‘s video on doing just that. It might take you more than once to get all the details, but discuss it in the forums and let’s see what we can come up with!

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