In our lab/shop areas at work for several years we have run Dewalt drills with 14.4v & 18v NiCad batteries. We did a little up grade back in May/June purchasing the newer Dewalt drills with 20v Li Ion batteries. At first we thought these newer units were the cat's meow being lighter, more compact with great power. Now after running them lightly for a few months 3 of the 6 batteries will barely hold a charge. We might get 5 minutes operation time out these. Those old Ni Cad batteries are probably 5 years old and still work great. As matter of fact I have some Dewalt 18v NiCads at home that are probably 7 or 8 years old and still work great. Now I'm wondering if we shouldn't go back to Ni Cad for future purchases. What your experience with these newer Dewalt batteries?
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