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I'd like to also like to add to MF Custom's thoughts on spec sheets and what I call spec sheet warriors. I love reading about motorcycles and automobiles and the spec sheet vehicles aren't typically the one chosen as "best".

There is no standard as to how the manufacturers test or publish the ratings of their tools. I have talked to a few reps and they all pretty much tell the same story about the testing standards. If there is a test that is used it isn't closely watched or enforced, hence some companies using UWO vs in/lbs or ft/lbs for publishing purposes.
 
I am enjoying this thread...although I am sad that Dewalt is falling behind. Means I might have to check out some different brands when my cordless kits start dying. I would think eventually the 18v Nicad batts will be phased out by all companies to force you into a new purchase.
 
Test request:

Drain batteries quickly (in the sun/heat)... see if they will charge before having to cool off
No li-ion charger should let you charge hot packs. But some do. Some chargers have a cooling fan built in to cool the cells to a lower temp before charging starts.

Most people think that this means lower quality charger/packs but it Infact means better quality charger/packs

Charging when hot = BAD
Charging when cool = GOOD


Worst case the battery will explode, vent or drastically decrease life
 
The Makita charger cools the battery then charges it when cool enough, because it's smart! It also plays a little song when it's done charging.
I believe the Bosch does the same in regards to cooling the battery, it just doesn't play a sound when it's done charging.
 
I remember when the Makita 9.6 long sticks were the shizzle, if you had one with the metal case you were big time.
I still have one of those in the basement. Actually it was the one with the 9.6 and 12V batteries. Beat the snot out of it, and it STILL works with the original batteries. The batteries don't hold a charge long, but it will drill a few holes or drive a few screws. Can't get rid of it for sentimental value:no:

A quick tip on NiCad batteries. If they go bad, try putting them in the freezer overnight, or for a couple of days. Let them thaw for a day, and then try charging. Fixed a bunch of my batteries. Doesn't work every time, but on quite a few it does.
 
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