Panasonic EY7950LR2S 18V Hammer Drill

My Rating for the Panasonic EY7950LR2S is 4 Stars

Panasonic EY7950LR2S 18V Hammer DrillReview Summary: The Panasonic EY7950LR2S 18V Hammer Drill is a great drill with the best lithium-ion battery run time.

Detailed Review of the Panasonic EY7950LR2S 18 volt cordless hammer drill

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Blows per Minute (BPM) Grade: Good

The Panasonic EY7950LR2S has a top BPM of 29,700 bpm. The average top BPM of 18 volt cordless hammer drills is 27,525 bpm. The higher the BPM of a cordless hammer drill the faster the hole will be created in materials such as concrete.

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Power Grade: Average

The Panasonic EY7950LR2S has a power rating of 478 in/lbs. The average power rating of 18 volt cordless hammer drills is 480 in/lbs. The power of a cordless hammer drill is measured by torque (inch-pounds). Torque is the measurement of the twisting force the drill applies when started. Power in DeWalt cordless drills is measured in unit watts out(uwo) which measures torque at different drill speeds. If you are looking for more power, the Bosch hammer drill has 650 in/lbs of torque. You can read my detailed review of the Bosch 17618-01 18V Li-ion Hammer Drill.

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Speed: Below Average

The Panasonic EY7950LR2S has a top speed of 1650 rpm. Higher speeds help you drill holes quicker and cleaner. The average speed of 18 volt cordless hammer drills is around 1700 rpm.

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Battery Run Time: Excellent

The battery run time is 3.3 amp hours. The average for 18 volt cordless hammer drills is 2.3 amp hours. The ampere-hour rating (Ah) gives you an idea of how long your battery will last between charges. A 3Ah will last 3 times longer than a 1Ah battery.

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Battery type and quantity: Good

The Panasonic EY7950LR2S comes with 2 Lithium Ion batteries. Most newer cordless hammer drills have 2 Lithium batteries included. Lithium are lighter , can hold a charge longer, and are more environmentally friendly than older NiCd batteries.

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Charger: Average

The Panasonic EY7950LR2S comes with a 1 hour charger. The best chargers offer less than 1 hour charging and a maintenance mode that can extend the life of the battery.

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Price Range: $200-300

Prices may have changed since this review was done. Always check the most recent and best price for the Panasonic EY7950LR2S cordless hammer drill from multiple stores.

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Tool Weight: Average

The Panasonic EY7950LR2S weighs 5.0 lbs. The average 18V cordless hammer drill weighs about 4.8 lbs. Tool weight comes into play when you use it for extended periods of time or you hold it in awkward positions. If you are interested in a lighter tool you may be interested in the Makita BHP452HW. You can read my detailed review of the Makita BHP452HW 18V Percussion Drill.

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Panasonic EY7950LR2S Cordless Hammer Drill Strengths

  1. Excellent battery run time
  2. Good hammer blows per minute
  3. Good weight for its power
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Panasonic EY7950LR2S Cordless Hammer Drill Weaknesses

  1. Slightly below average speed
  2. Low 2 year warranty

Some other features of the Panasonic EY7950LR2S include:

  • 1/2-inch single-sleeve ratcheting chuck
  • LED work light
  • Two-year limited warranty

Order the Panasonic EY7950LR2S 18V Hammer Drill

 

 

 

 

Reviewed by Jon Sevenson on 5/31/12.

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