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NI-CD
Impact Drill / CT21031N 18V
Battery:Ni-cd
No load speed:0-350/0-1400r/min
Impact frequency:0-4550/18200IPM
Battery capacity:1500mAh
Charge current:1.8
Charge time:1H
Chuck capacity:1/2
Concrete:10
Steel:13mm
Wood:30mm
Max torque for soft:40N.m
Max torque for hard:45N.m
-One hour quick charge.
-Short circuit protection.
-New gearbox design prevents oil leakage and can 
 effectively increase product life by30-50%
-wide Voltage for charger,coverage all batteries(7.2-18V).
-Bit fixation on the housing.
-Capability show for battery.
-High altitude operation is convenient to carry for Belt clip 
 design.