Rechargeable impact electric drill can drill stone?
We are now at the site is used to charge the lithium battery pack with a hammer, it is in our hands is equivalent to 220 volts with a hammer in. With a heavy hammer with rechargeable battery pack, and Dr. PK, Dr. seckill (light of light light electric charge almost) because of the heavy hammer charging 220 volt reference index and the design of the electric hammer
Diamond heads and dirt are no problem at all. Before charging light hammer, low efficiency. Later upgraded with 42 volt charging heavy hammer, efficiency 2 times.
Basically, you can't drill and drill the brick wall at most
