Which Is The Best DeWALT 20V Battery?

The DeWALT DCB205 has been my favorite for a while, will the DCBP520 be even better? Both are on Amazon - DCBP520: amzn.to/3TqduYd (affiliate), DCB205: amzn.to/3Rrd5C2 (affiliate)
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[@adyingshadow]

I tried the power stack today on my dcf850 and boy did I learn today...

[@NWGR]

The two main advantages of the powerstacks are more output power and more charge/discharge cycles. They output power on par with the 6.0 XR batteries (the ones using 21700 cells, not 18650) and have (IIRC) twice the charge/discharge cycles of the traditional batteries. I grabbed a few of the 5.0 powerstacks and DCB1104 charges and I've very happy with them. In use, the increased size and weight isn't a huge deal. They're a good bit smaller than the 6.0 XR batteries and half a pound lighter, which is a closer battery in comparison.
That said, I do wish dewalt would release a "middle" powerstack, like a 3.4Ah that's only a bit bigger than the 1.7PS. That would be a perfect battery for drills and impacts. I sold all my 1.7PS batteries; too short of run time. Excellent size though.

[@nelsondiaz3500]

I tried the powerstack battery and it last just as the normal battery but the price it’s much higher than the normal battery

[@KosmicHRTRacingTeam]

It’s interesting how DeWalt did a 2 battery plus a selected tool kit for $199 at both Lowe’s and Home Depot, but the Depot came out a week earlier I think and it has a 6amp and a 4 while Lowes has (2) 5 amp batteries. I fell for the Depot one, but I do kind of like having a 4 for small impacts (especially the 850) and cut off tool, etc, while using the 6 for larger tools, circular saws and my Dyson vacuums (with an adaptor).

[@notsus6956]

If the claim of more charging cycles is true then the power stacks are probably worth it

[@briankleinschmidt3664]

I was surprised how long the leaf blower lasts. It's just long enough to finish the job. (usually).

[@billrehm3590]

Why didn't you do a running test to compare?

[@Phil_Goodman]

the age difference alone will not even make it a contest as batteries performance degradation from both age and usage frequency.

[@billrehm3590]

@@Phil_Goodman do new batteries.