NANWEI 21V Cordless Industrial Brushless Lithium Hammer 4.0Ah Lithium Electric Hammer ( #: E22542US-1 )

Features:
Cordless Design: cordless design helps you get rid of cord mess, making it more humanized to use and expanding the working range.
Reliable Quality: made of plastic body with durability and wear-resistance, non-slip and comfortable feeling, the electric hammer can ensure your long-term use.
Rechargeable Battery: 4000mAh (note: parallel connection, the actual battery capacity) rechargeable lithium battery has strong endurance and is easy to be recharged via the equipped adapter. The battery is controlled by microprocessor to realize safety protection and display the remaining battery level.
Drill Bits Included: there are 4 types of drill bits (6/8/10/12), can be installed on the machine to meet your daily needs.
Wide Application: professional rotary hammer drill delivering powerful impact and hammer strength to complete heavy duty projects on wood, masonry, solid steel and concrete which means that most of the work needs can be met.

Specifications:
Plug: EU / US (Optional)
Battery: 1PC / 2PCS (Optional)
Material: ABS
Rated Voltage: 21V
No Load Speed: 1000r/min
Impact Frequency: 4400bmp
Load Power: 820W
Battery Series Capacity: 20000mAh (10*2000mAh, series connection)
Battery Parallel Capacity: 4000mAh (parallel connection, the actual battery capacity)
Battery Weight: 579g / 1.28lb
Item Weight(without battery): 3148g / 6.94lb
Package Weight: 5853g / 12.90lb
Package Size: 40.5 * 34 * 11.5cm / 15.94 * 13.39 * 4.53in

Package List:
1 * Hammer
1/2 * Battery (Optional)
4 * Drill Bit (6/8/10/12/)
1 * Charger
1 * Dust Guard
1 * Tool Box