we are factory. Accept OEM, more requirements and types contact us.

export to Germany. good quality

power 21v energy over 10000 mah

No need Carbon brush

charge power 220v or 110v

screw power Over 300 N.M

no load speed 3000 times per minute

one or two battery as want , price is different

shock frequency 2800-3200

charge time need, 1-2 hours