DeWalt says running the DCS573 Flexvolt Advantage saw on a 6 amp hr Flexvolt battery gives it up to 77% more power than using a 5 amp hr 20V battery. In my testing I found that to be true.
I also found the Flexvolt Advantage is slower than the actual Flexvolt DCS578, slower than the 6.5″ DCS565 on a 5amp 20V battery, and only as fast as the 6.5″ on a 6amp Flexvolt battery. Check out this video review to see what I mean.
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