Hammer hit how concrete lithium battery
Can hit the power line, but still have to choose the battery capacity, otherwise it is easy to have no electricity, the lithium battery electric hammer abroad BOSCH, domestic Dongguan one are good, but BOSCH as foreign brands, the price is very expensive, there is not much difference between the two
Hit a move, the power is no problem, the only drawback is that endurance is not, there are more complex structure, the price is more expensive.
