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  • Panasonic EYC140B11 14.4-Volt Lithium Ion Impact Driver/Drill Driver Combo Kit
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Panasonic EYC140B11 14.4-Volt Lithium Ion Impact Driver/Drill Driver Combo Kit

11 customer reviews

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  • 14.4-volt cordless drill/driver and impact driver kit; lithium-ion technology provides more power, less weight, longer run times, and cooler operation
  • Impact driver delivers 1,330-inches-per-pound of power with 3 speeds; drill/driver delivers 390-inches-per-pound of power
  • Electronic performance monitoring system delivers safe lithium-ion performance even under heavy loads
  • Includes 2 batteries, charger, and carrying case
  • Impact driver weighs just 3.1-pounds; drill/driver weighs 3.5-pounds; both are covered by a 1-year limited warranty
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Product Description

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About Panasonics Revolithium Series of Cordless Power Tools
Panasonic's Revolithium cordless power tools incorporate original technologies for exceptional safety and reliability. Battery cells are individually monitored to ensure optimal discharge control, and if the battery voltage falls too low, or if the battery is about to become too hot during heavy-duty use, a sensor system cuts off power and flashes a warning lamp on the control panel. All models in the Revolithium series come with an extra battery pack as standard equipment, a charger that accepts any current Panasonic model battery, and a carrying case for additional storage.

About This Revolithium Cordless Combo Kit
Cordless combo kit EYC140B is an exceptional value, because it contains both the 14.4-volt drill/driver EY7440LN2S and 14.4-volt impact driver EY7540LN2S. Both of these great drivers are powered by revolutionary Revolithium batteries that are designed to work hard and stay cool.

Cordless Drill/Driver
The 14.4-volt EY7440LN2S has a high-capacity 3Ah lithium-ion battery, which incorporates Panasonic original technology to reduce overheating and extend the service life of the unit. This battery ensures that the overall unit is lighter and more compact for comfortable, easy use.

The EY7440LN2S drill/driver generates an impressive high-power maximum torque of 390 in./lbs., which makes it ideal for drilling and screwing into materials from metal sheets to wood. And control is never an issue. This model features variable speed operation including a reverse function, as well as an 18-stage clutch, plus drill position and electric brake. Other features include an LED light and belt hook.

Key Technical Specs:

  • High power: up to 390 in./lbs. of torque
  • Speeds: 2-speed gearbox, low 60-400 rpm; high 200-1350 rpm
  • Clutch: 18-stage plus drill mode
  • Chuck: 1/2-inch heavy-duty keyless

Cordless Impact Driver
The Panasonic Revolithium Impact Driver EY7540LN2S has a brushless motor with microcomputer control to maximize the motor's lifespan, protect against overheating and reduce the amount of electricity used compared to previous Panasonic models. Better motor performance means the main unit's temperature remains constant even during heavy construction work.

Torque levels adjust to suit the work or materials -- hard, medium or soft -- so you always get a clean finish. The ergonomic design incorporates a white LED light, so it's easy to see your work area even when working in dark corners. This model's lightweight body and rubberized handle fit easily and comfortably in your hand, and it hangs handily from your belt via the convenient belt hook.

This 14.4 volt model offers a maximum torque of 1,330 in./lbs., variable speed control including reverse, and an electric brake. It is designed to fasten large diameter nuts, bolts and long screws, tech screws for boards and pipe support equipment, and for fastening screws in plasterboard.

Key Technical Specs:

  • Weighs: only 3.1 pounds
  • High power: up to 1,330 in./lbs. of torque
  • Speeds: 0-2,300 / 0-1,400 / 0-1,000 rpm
  • Chuck: 1/4-inch hex quick connect

Warranty
Panasonic guarantees these cordless tools with repair or replacement in the event of a defect in materials or workmanship for one full year.

What's in the box:
Panasonic 14.4-volt cordless drill/driver and 14.4-volt impact driver, two batteries, a 50-minute charger, and a molded plastic carrying case.


Product Information

Technical Details
Item Weight17 pounds
Product Dimensions16.9 x 15.4 x 9.1 inches
Item model numberEYC140B
Discontinued by manufacturerYes
Power Sourceelectric-powered
Voltage14.4
Number Of Pieces2
Included Componentscase
Batteries Included?Yes
Batteries Required?Yes
Battery Cell TypeLithium Ion
Warranty DescriptionThe Panasonic Power Tool comes with a one year parts and labor warranty from the date of purchase.
  
Additional Information
ASINB000OWLRPG
Best Sellers Rank #1,191,651 in Home Improvement (See top 100)
Shipping Weight17 pounds
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableMarch 1, 2007
  
Warranty & Support

Product Warranty: For warranty information about this product, please click here
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Important Information

Bulb Voltage
14.4

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

6 of 6 people found the following review helpful By Argus17 on August 22, 2007
I'm a professional awning/patio cover/carport installer. Over the years I've tried just about every quality brand of cordless drill/driver out there. Most of the Ni-cad batteries would lose their ability to hold a charge after only a few months, and would have to be replaced. I've also blown my share of transmissions, even on a Dewalt XPR. I'd usually end up replacing my drill/drivers every year.

About 4 years ago I gave the Panasonic 15.6 volt Ni-Metals a shot. After 3 years of use, they never missed a beat. Batteries still held a charge like new, and I'd still be using them if they weren't stolen out of my truck last December. These Lith-Ions had just come out, so I gave them a try as replacements to the stolen drills. Though they have slightly less power and a little less run time then my old Panasonics, they still run circles around the competition. The compact size and feather weight are well worth the slight trade offs. I've been working these drills like dogs for the past 9 months and they still run like new. Even driving 1/4" x 3" lags all day long on high speed doesn't slow down the drill. The impact driver runs 3/8" x 6" lags into wood studs in a matter of seconds and the battery charge lasts all day (sometimes two). Once again Panasonic did it right.
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2 of 2 people found the following review helpful By flag4 on October 5, 2007
This set is awesome, especially the drill. Battery life is very long, and they hold charge for a long time when not in use. The battery locking mechanism is very positive and never sticks when you try to release it - very smooth. The drills are very light and compact. The flip-out lever is a feature I use much more often than I thought I would. You can buy a drill holder for you belt for any drill but you have to find it and wear it to make use of it - this one is always there and works very well. I use it for ladder and attic work especially. Also the light, which seemed gimmicky to me, has come in very handy doing attic work, and in other low-light situations. I use the impact driver much less frequently; it is quite capable of breaking #10 screws even on low-torque setting. But, I assembled a large wooden children's play fort that had MANY bolts and it was fantastic for that. Overall these are the best engineered tools I own, and I have a lot of tools. I have owned the set just 4 months so I cannot comment on durability but they seem very tough. Not cheap, but a good value.
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As a 22-year professional cabinetmaker, I've had lots of experience with several makes and models of cordless drills. Early on as an assembler/installer my employer purchased a Panasonic NiCad drill/driver and everyone in the shop fought for it because it worked hard and kept on going. With constant use it took 4 years to wear out a battery. Needless to say, I went for the lithium set when it came out due to its lightweight and Panasonic's name in the construction field. The best finish carpenters all had Panasonics and the ones I saw were beat up and looked about ready to retire but these carpenters wouldn't put them down. When the economy tanked in '08 I was out on my own and the drill and driver have been indispensable. They perform admirably under any stress I could give them and the batteries give me the long run time I need to stay on top of the work without lost time changing or charging batteries. Often I don't even take the second box with me to a jobsite. I've cut out some of the plastic wall in the first case, slip in the impact driver and leave the charger at home. If the first battery runs out I take the one of the other drill. Having been around fellows who drop tools for the time I've been a cabinetmaker, I have been very careful to avoid putting such a heavy investment to the test. Though dropped several times, there has been nary a scratch on the drill and driver and never a need to have it repaired to date.Read more ›
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6 of 9 people found the following review helpful By E. Stauffer on April 3, 2008
I am a professional carpenter and have used several drills over the years. This is the second Panasonic I have owned. i like the 15.6v very much. I paid the premium for the 14.4 drill and imapct driver kit for its leight weight and long run time expecting great things. In the course of the last 6 weeks I (or one of the crew) have dropped both- neither from more than 6 feet and both have snapped completely in half right by the trigger and broke- Panasonic would not fix the first one I called about but I am going to do battle over the second. Tools are going to fall- mine at least. The tool is too fragile to be on any jobsite.
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2 of 3 people found the following review helpful By Treehouse Guy on July 5, 2008
Two carpenters on my crew bought this set and each snapped the drill in half after a 6 foot drop onto a wood deck. TWO DRILLS on one job. Seems quite a few people are seeing this problem. I'd be surprised if Panisonic doesn't address this design flaw quickly. We're all buying this set because the 15.6v NiMH drill is a legend. Hopefully they don't ruin their rep with this poor design. A home owner/DYI will probably been fine with set but pros know drills drop. I had a Craftsmen drill dropped dozens of times and kept ticking for years. Check out the Makita Lithiums... I've used those on two jobs and they seem to hold up better.
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