Haciendo conversion de 110v a 220v | Instalaciones Electricas Y Soldadura IE&S

In this video, I converted an electric chainsaw to a battery chainsaw. The original power tool is made in Japan, it runs AC 110V that can't be used in my location 220V. I want to use this chainsaw for Durian pruning in my farm, so the battery is the best choice for me. It isn't powerful like a gasoline chainsaw, but I can cut some branches easily. About the dc motor High-power high-speed motor, motor diameter 60mm, similar to the 9 series motor, double ball bearings at the front and rear, built-