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I bought 2- batteries in 36 volt about a year ago and one of them is already giving the rapid 3- blinking lights in charger and completely dead. I have one of the very first 18 volt kit drills with 2-18 volt batteries 10 years old or more, and they still work. Complaints all over the internet, so don't say have never heard of this problem. Too damn expensive in the first place and terrible realiability. These, are the worse Batteries I have ever seen in Battery Electric Drills etc. I have used them very little, it looks mint. I have friends in carpentry and electrical business that have had Makita and Milwaukee tools that have had batteries that have also lasted 10 plus years. So quit doing your crooked advertising stating how good these batteries are, they sure do not last longer.
I don't use them daily,(probably about once a week) but when I do use them, I use them fairly hard for a couple hours cutting plywood and 2X's, driving 3" screws, 8" timberlock screws and using the drilling 1/4 inch holes and 5/16 inch holes in concrete for anchors. Unlike the Ni-Cad that begins to slow down as it is nearing the end of its charge, the Nano battery will work like it is fully charged on one screw and then stop before the next screw is fully driven. One trait that takes a bit of getting used to, when the battery is drained, it just stops with little warning. These batteries seem to last forever on a single charge. I go so long between charges, I often can't remember the last time any particular battery was last charged. With the stand-by battery holding its charge so well as mentioned earlier and the quick charging of the discharged battery, this isn't really a problem. If a stand=by battery does sit on the shelf for weeks or even months without being used, it still has what seems to be near a full charge when it is picked up to be used; unlike the Ni-Cad batteries that seem to go dead after a month or more of not being used.
I'm not sure why other people had problems with DeWalt customer service. I hope they last longer this time. A representative from DeWalt was kind enough to replace my batteries.
This is flawed technology. I have two DeWalt 36v batteries and after two years of mild use they will no longer take a charge. DeWalt advertises that you should be able to get 2000 charges out of these batteries. I'm now stuck with 800 dollars worth of useless tools. I got at the most 50.
DeWalt DC9360 Heavy Duty 36-Volt Lithium-Ion Battery Pack Very good battery this is the best way to get 123 cells at the best price. planes. They put out hi amps up to 100 amps great in my hobby witch is R.C.
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