The power button is a critical small part to start your board. In case, you need to replace the power button. We offer it with a low cost.
The Power button which works with Hobbywin ESC is different from the power button which works in 2017 original G2. Please contact our support if you need it for specific old model.
The power button for G3, G3 plus and Zealot contains an extra cable for the light control system.