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Cordless Hammer Drill & Driver EY79A2LJ2G / EY79A2PN2G / EY79A2X

Overview

Cordless Hammer Drill & Driver

  • Durable design with compact body 188mm
  • Smaller and lighter with new 3.0Ah P Li-ion battery.
  • High power slim battery 5.0Ah gives full tool performance
  • New design high power and durable Brushless motor
  • New ‘Speed control function’
  • Electronic speed control
  • Electric brake
  • Belt hook
  • LED light
  • Incl. second battery pack
Model / Type EY79A2LJ2G EY79A2PN2G EY79A2X
Voltage 18V 18V 18V
Battery capacity accord. to IEC (technology) 5.0Ah (Li-ion) 3.0Ah (Li-ion) *
Charging time (usable / full) 65 / 80min. 45 / 60min. *
Speed at no load in rpm 30 - 470 / 70 - 1,580 30 - 470 / 70 - 1,580 *
Max. torque (stalling / instant torque) 32 / 50Nm 32 / 50Nm *
Percussion mechanism (blows per minute) low 540 - 8,500
high 1,260 - 28,400
low 540 - 8,500
high 1,260 - 28,400
*
Percussion mechanism (blows per minute) 38 / 13 / 33mm 38 / 13 / 33mm *
Size (W x L x B) 68 x 188 x 250mm 68 x 188 x 234mm *
Weight (incl. battery) 2.1kg 1.85kg *
Standard accessories 2 x battery EY9L54B
charger EY0L82B
incl. plastic box
2 x battery EY9L53B
charger EY0L82B
incl. plastic box
without battery
without charger
without plastic box

* X-type (EY79A2X) without battery and charger.

Battery capacities EY79A2LJ2G EY79A2PN2G
Voltage     18 V 18 V
Model     EY79A2LJ2G EY79A2 PN2G
Battery     EY9L54B(LJ) EY9L53B(PN)
Screwing Wood screws in yellow pine* Ø 4.1mm x 25mm 1750pcs 1050pcs
Self-drilling screws in SPC* Ø 4mm x 13mm t = 1.6mm 1250pcs 740pcs
No plug screws in masonry** Ø 6mm x 45mm 790pcs 470pcs
Drilling Holes in SPC/hole saw* Ø 21mm t = 1.6mm 50pcs 30pcs
Holes in SPC/hole saw** Ø 33mm t = 1.6mm 75pcs 45pcs
Holes in mortar* Ø 6.5mm x 30mm 220pcs 130pcs
Holes in mortarl* Ø 10mm x 30mm 160pcs 100pcs
Holes in masonry* Ø 5mm × 40mm depth 260pcs 150pcs
Holes in yellow pine* Ø 18mm x 120mm 140pcs 80pcs
Holes in yellow pine** Ø 30mm x 40mm 280pcs 170pcs
Holes in yellow pine** Ø 36mm x 38mm - -
* High mode ** Low mode

Technology

New brushless motor

Without brushes and commutator which can reduce the lifetime of the tool, the motor lasts approx. twice compared with brushed motor*.

* Compared with Panasonic conventional brushed motor

New ultra hard chuck jaw tips

We increased durability of every part right down to the new metal chuck which features tungsten carbide jaw tips. These extra hardened inserts are brazed into each jaw to give extra ‘bite strength’ and substantially reduce wear.

New hybrid switch

To eliminate heavy friction to internal parts of the switch during use of electric brake, we developed a new semi-electronic switch. This gives smoother operation and double* the life expectancy of the part.

* Compared with Panasonic conventional switches

Tough IP: Battery protection*

Individual monitoring of battery cells allows power supply to automatically cut off before over-discharge (excessive use), overheating, or overcurrent (excessive load). Switch and electronics circuits of control panel and battery pack are covered by an urethane layer to give high levels of dust and water protection.

* TOUGH IP = INTELLIGENT POWER TOOL

OPS (Battery Overhear Protecting Sensor)
A temperature sensor cuts off power to the motor before the battery temperature rises to a harmful level and flashes a warning lamp on the tool‘s control panel to notify the user.

Speed control function enables perfect finishing

New “Speed Control Function” reduces ‘run out’ for metal hole saw

This new function allows the user to select from three different low rotation speed settings (H / M / S), based on allowable maximum speeds* for metal hole saws. It greatly reduces ‘run out’ when using metal hole saws and prevents surface scorching on stainless steel and other materials.


Screw without speed control function

Screw with speed control function

 

Rotation
speed
LOW Application
Example
(Metal
holesaw)
High  
H 300rpm Normal steel:
φ 15-25
Stainless steel:
φ 10-15
1000rpm Precise
Screwing

 
M 200rpm Normal steel:
φ 25-
Stainless steel:
φ 15-25
670rpm
L 150rpm Normal steel:
φ 30-
Stainless steel:
φ 20-
500rpm

* Different ‘allowable maximum speeds’ are determined for metal hole saws depending on diameter and target material. See websites of metal hole saw manufacturers for further details.

Increased efficiency and flexibility

“SMOOTH START” electronics allow easy, precise speed control

New advanced speed control electronics start rotation speed gradually. This enables very slow and smooth starts allowing ultimate control when starting drilling or working with small screws in precise applications.

Fresh new ‘CARBON’ design

To enhance the internal engineering and technology developments, a fresh new body design and material finish has been developed. With the unique carbon fibre textured finish and new comfort grip, style is added to substance with improved ergonomics too.

Various support design

New grip pattern design to prevent slipping and increase operator comfort

LED Light
 
Elastomer Bumper
Increased amounts of rubber and resin coating at the bottom of the tool helps prevent damage if dropped from elevated areas.

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