Anki Overdrive replacement battery fits into Anki Overdrive cars and replaces the original battery. With a total of 100mAh this battery also has ~30% more capacity than the battery originally built into the cars. Anki Overdrive Replacement Battery Instructions
Tools required: Solder iron with thin tip, some solder, sponge, a blade and a Phillips screw driver
Open the car with the screw driver. Remove only the screw close to the optical sensor.
Take the car chassis and the top apart from each other. But the screw in a safe place. Clean everything from the dust inside the car.
Use a thin blade to carefully lift the green PCB over the black latches
Carefully fold the PCB back. Be careful not to damage four red and black wires.
Carefully heat the solder spot where the battery is connected to the PCB. Make sure that the wires touch neither each other nor other components on the PCB!
Now solder the new battery to the PCB: the red wire is connected to the pad with the “+” sign, the black wire to the pad with the “-” sign. You will notice the new battery is slightly thicker, but fits nicely.
Now carefully put the battery back in place and tun the PCB to close the chassis. Put the plastic cover back in place. Test the proper connection of the battery by pressing the gray button underneath the car. The green LED in the center of the PCB should light up. Put the top part back in place and fasten the screw that holds it in place.
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