It is not good cost performance. Although 42V does not come out, since it comes out more than 20V, there is no problem for practical use. I'm worried about the battery, but if it doesn't work, try replacing the battery yourself. This is enough for DIY.

It is not good cost performance. Although 42V does not come out, since it comes out more than 20V, there is no problem for practical use. I'm worried about the battery, but if it doesn't work, try replacing the battery yourself. This is enough for DIY.

It is not good cost performance. Although 42V does not come out, since it comes out more than 20V, there is no problem for practical use. I'm worried about the battery, but if it doesn't work, try replacing the battery yourself. This is enough for DIY.

very good quality

very good quality

very good quality