Makita Batteries

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The way this thing eats batteries id need those Six holders full and a few more for a days work:ROFLMAO:
we need to remember tools are now nearing mains power
if we assume the saw is perhaps 350w at 18v
a 5ah battery holds 5x18x 60 =5400watts for a minute so on full power for 15.8 mins or assuming perhaps 15% power losses 13.5 mins
now i dont know the actual power used or losses but gives you an idea
 
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Thanks for that, I've found the specs on the saw, its rated at 570 watts and 5ah battery is 90 watt hour.
times that by 60 to get to watts for minute and as i say contains 5400wm[watts for a minute] so you would expect sub 10 mins on heavy sawing or perhaps 3-5 times as much on stop start lighter stuff
 
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times that by 60 to get to watts for minute and as i say contains 5400wm[watts for a minute] so you would expect sub 10 mins on heavy sawing or perhaps 3-5 times as much on stop start lighter stuff
Thats interesting , I'm getting less than 10 mins cutting from thumb to wrist thickness branches
 
Probably correct the absolute best you can get is 9.47 mins [5400div by 570]
you can loose say 10-15% transmission/ conversion losses
and say your batteries are 5 years old another 20% through age so down to perhaps 6.5mins
 
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