Editorial Product Review:Item Description:18V, Heavy Duty, Cordless Hammerdrill/Impact Driver Combo Kit, DC927, 18V, Cordless Hammerdrill With Dewalt Built High Power Motor Delivers 425 Unit Watts, Heavy Duty 1/2' Self Tightening Chuck Tightens Throughout Operation Providing Superior Bit Gripping Torque, DC827, 18V, Impact Driver Delivers 1,330 INLBS Of Torque & 0-2,400 RPMS Offering Power & Speed To Perform A Wide Range Of Fastening Applications At Faster Speeds, DC927, 1/2', 18V, Hammerdrill/Drill/Driver, DC827, 18V, Impact Driver, 1 Hour Charger, Two 18V Batteries With Nano Technology, 360 Degree Side Handle, Contractor Bag, 90 Day Money Back Guarantee, 1 Year Free Service Contract, 3 Year Limited Warranty.
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Buyer Reviews
Average Buyer Rating:

Customer Rating: 
-
Pretty good.
So far so good. Only complaint is that when the battery dies, it is dead. Not like "I can drive a few more screws" dead, more like "I won't even move dead."
Customer Rating: 
-
Very nice tools
We have used Dewalt tools at work for years. The problems we have had have always been with battery life. These new batteries have solved that problem. They have a lot of power and will last for days. (the old batteries would not last through one day). One thing, however, that will take a little getting used to is that when the battery is low the tools just stop. They will go from full power to nothing.
Customer Rating: 
-
A great upgrade, but the batteries need a little attention
I have this kit with the old XRP batteries, bought about a year ago. Needed a second pair an was interested in the new battery system, so I wanted to give this a try. Here are my thoughts after about 2 weeks:
The tools themselves are roughly the same as the XRP versions. The new impact driver (DC827) is nicer than my old DW056 (snappier, seems to have more power, feels better in hand and more compact for tight spaces) and seems to be exactly the same (except for the footprint) as the DC825 that one of my co-workers has. The hammer drill itself has one nice change from my old model: the selector between screw, drill, and hammer drill is separate from the chuck's torque setting: so changes between modes are much faster and I like the added screw mode.
Regarding the Nano batteries, in comparison with the old batteries, they're great - they're lighter and seem to last longer on a charge. I haven't run one long enough to know how many recharges it will last. The tools designed for these new batteries are smaller than the older tools and a touch lighter. One negative - the old tools have about a half inch overhang in the front and back of the new batteries - it looks a little silly, but otherwise who cares? they stay on very securely and work well. They're sturdy.
My only real complaint is that the batteries they don't sit very snugly in the charger. This is because there is a very small plastic rim missing from the old XRP batteries. They still charge fine, but you actually have to look at the charger's LED to make sure there's solid contact. Poor work, DeWalt, but not a big deal in my mind. An easy fix is to sit a spare battery or small weight on the battery while in the charger.
Briefly, from about 2 weeks daily use:
Pros (that I can personally verify - marketing also claims they will recharge many more times):
-nice upgrades to tools
-Smaller than old XRP battery
-Lighter
-Tool lasts longer on a charge
Cons:
-Old XRP tools have very small overhang out the front and back
-Have to actually look at the charger to make sure they're charging
Overall, very pleased. Would give 4-1/2 stars, the only reason it's not 5 is how it sits on the charger