Say goodbye to constantly buying one-time-use batteries for your remote control toy car! In this video, I show you how to economically upgrade your toy car by replacing the standard batteries with a durable 18650 lithium-ion cell. I also install a TP4056 charging circuit, turning it into a cost-effective, rechargeable powerhouse. This simple DIY guide not only boosts the performance of your toy car but also saves you money in the long run. Learn how to make your toy car faster, more efficient, and eco-friendly!