DRILLREPAIRS Has for Sale... OEM Medicool Pro Power 20k *Precision* Control Box Transformer Wall Charger Only Fits the Precision Digital Models. We are not liable for incorrect purchases. Drill is not included and is for reference only. This is the ORIGINAL that comes direct from the manufacturer. Please be aware not to buy an aftermarket one. It has been known to fry your control box which is not covered by warranty.