21V Brushless Cordless Hammer Drill 0-4300i/min

Description：

The cisivis 21V Brushless Cordless Hammer Drill is designed for professionals and DIY users who need reliable drilling power in concrete, stone, and masonry. With its 800W brushless motor, the drill delivers high efficiency, longer service life, and reduced heat buildup.
It achieves 0–4300 impacts per minute with a 1.6J single impact energy, making it strong enough for tough surfaces while maintaining user comfort. The 930RPM no-load speed offers versatility for both fast drilling and controlled applications.
Powered by two 21V lithium batteries, the drill ensures up to 80 minutes of continuous work. Packaged in a durable plastic case with charger and accessories, it’s ready for job site use straight out of the box.

Specification：

Model: 21V Brushless Cordless Hammer Drill
Rated Voltage: 21V
Rated Power: 800W
No-Load Speed: 930RPM ±5%
Impact Frequency: 0–4300i/min
Hammering Energy (per impact): 1.6J
Hammer Frequency: 800/min
No-Load Current: ≤11A
No-Load Discharge Time: 80 minutes
Motor Type: Brushless
Battery: 2 × Lithium-Ion 21V packs
Charger: EU standard line charger
Functions: Drilling / Hammer Drilling

Accessories and Packaging：

Standard Accessories:
2 × 21V Lithium-Ion batteries
1 × EU line charger
User Manual

Packaging
Durable plastic carrying case

Frequently asked questions：

Q1: What is the maximum impact frequency of this drill?
A1: It delivers up to 4300 impacts per minute, ideal for tough materials like concrete.

Q2: How powerful is the hammering force?
A2: It provides a 1.6J single impact energy, strong enough for masonry and construction tasks.

Q3: How long does the battery last?
A3: The two 21V batteries provide up to 80 minutes of continuous operation.

Q4: What motor type does it use?
A4: It is equipped with a brushless motor, offering better efficiency and durability than brushed motors.

Q5: What comes in the package?
A5: The kit includes two batteries, a charger, and a plastic case for portability.