Difference between 14,4v and 18v Li-Ion Drills?

Soldato
Joined
11 Jun 2003
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Hampshire
As title?

Seen a Bosch at half RRP (apparently). 14,4 v where the rest seem to be 18v.

Will this dramatically effect it's performance? Will the wattage be lower?

Battery life is claimed the same.
 
From what I read when I was looking at drills was that the higher the voltage you get more power for a given battery size:

14.4v @ 2000mAh = 28.8wH
18.0v @ 2000mAh = 36.0wH

The impression I got (probably wrong) was that the 9.6v was regular consumer grade, 14.4v was more for regular DIY-ers, 18.0v was for DIY-ers wanting more power / low grade professional and 24v was for prosessionals.

I ended up buying a 18v DeWalt as it was only a couple of quid more than the 14.4v version at the time I got it due to it being on offer plus it came with a second battery. Slightly gutted as my father-in-law ended up getting the same one after using mine and he got 3 batteries with his for the same price!
 
You need higher voltages to do stronger tasks... for example using a circular cutting tool you could not use a 14.4v without burning it to ****, 18V is a minimum but still struggles depending on the size of the bit and depth of the piece being cut.
 
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