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frontpage Posted by PEMP • 2d ago
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frontpage Posted by PEMP • 2d ago

DeWALT DCB2108 20V MAX XR POWERPACK 8.0Ah Battery

+ Free Shipping

$97

$219

55% off
Amazon
44 Comments 18,598 Views
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Deal Details
Toolup via Amazon has DeWALT DCB2108 20V MAX XR POWERPACK 8.0Ah Battery on sale for $96.97. Shipping is free.

Thanks to community member PEMP for finding this deal.

Product Details:
  • Longer lifespan - help maximize longevity day in and day out with this battery that delivers longer life than traditional cylindrical batteries
  • Resists wear-and-tear
  • State-of-charge: get quick visibility to your battery's state-of-charge with the LED indicator to help avoid interruptions
  • These XR batteries are compatible with 20V max tools and chargers

Editor's Notes

Written by powerfuldoppler | Staff

Original Post

Written by PEMP
Product Info
Community Notes
About the Poster
Deal Details
Product Info
Community Notes
About the Poster
Toolup via Amazon has DeWALT DCB2108 20V MAX XR POWERPACK 8.0Ah Battery on sale for $96.97. Shipping is free.

Thanks to community member PEMP for finding this deal.

Product Details:
  • Longer lifespan - help maximize longevity day in and day out with this battery that delivers longer life than traditional cylindrical batteries
  • Resists wear-and-tear
  • State-of-charge: get quick visibility to your battery's state-of-charge with the LED indicator to help avoid interruptions
  • These XR batteries are compatible with 20V max tools and chargers

Editor's Notes

Written by powerfuldoppler | Staff

Original Post

Written by PEMP

Community Voting

Deal Score
+22
Good Deal
Get Deal at Amazon

Price Intelligence

Model: DEWALT DCB2108 20V MAX XR POWERSTACK 8.0Ah Battery

Deal History 

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Current Prices

Sort: Lowest to Highest | Last Updated 12/26/2024, 05:36 PM
Sold By Sale Price
Lowe's$219
Ace Hardware$219
Blain Farm & Fleet$219
Woot!$99.99
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Top Comments

IncompletePerfect
I've had 2 nightmare orders from Toolup through Amazon.

Most recently was a Bosch 12ah battery that arrived used, and it had non-factory screws in it. It took me just over 2 months to get corrected.

Prior to that was 2 Dewalt 5ah batteries that turned out to be fake. They claimed it was due to the fact that there was a mixup, and I returned the batteries, but they were a nightmare to deal with.

I've spoken with others that have said Toolup (here in Florida) is a resell store that buys pallets of returns. This is why items do not come in manufacturers packages. I can't testify to the truth of that, but from now on, I make sure an item on sale on Amazon is not from Toolup.
EdMcK515
The problem is Amazon co-mingles inventory.

It's why I stopped order auto parts off them.
pyrokid73
Although Amazon has had issues with fake batteries, I doubt there are fakes on here yet with a new as the POWERPACK batteries are.
Great price and best I've seen for bare battery so far!!

44 Comments

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2 days ago
519 Posts
Joined Feb 2014
2 days ago
nuy6n6nn
2 days ago
519 Posts
Very tempting. I think for $100 I'd be willing to risk a fake.
2 days ago
319 Posts
Joined Dec 2012
2 days ago
nyanta
2 days ago
319 Posts
In for 1, only have a 2 and 4 Ah battery. Hope its not a fake but I guess we'll see in January
2 days ago
394 Posts
Joined Nov 2009
2 days ago
koshawala
2 days ago
394 Posts
These are not powerstack batteries as the OP says. These are 'powerpack' batteries. I don't know the difference.
Original Poster
Pro
2 days ago
617 Posts
Joined Mar 2022
2 days ago
PEMP
Original Poster
Pro
2 days ago
617 Posts
Quote from koshawala :
These are not powerstack batteries as the OP says. These are 'powerpack' batteries. I don't know the difference.
For some reason, the title got changed from "POWERPACK" to "POWERSTACK" when it went to Frontpage.

POWERSTACK use lithium-ion pouches. POWERPACK use more conventional 21700 cylindrical cells that are tabless. The tabless design allows higher current flow. This battery has higher current output than any of the others in the line up, surpassing the 5Ah POWERSTACK and the 9Ah FLEXVOLT*.

*On paper, the 9Ah FLEXVOLT has a higher peak current, 105A vs 90A, but in testing the POWERPACK has been coming out on top by a whisker (e.g., Torque Test Channel testing [youtube.com]).
Last edited by PEMP December 24, 2024 at 04:20 PM.
Pro
2 days ago
2,675 Posts
Joined Mar 2007
2 days ago
hkteaman
Pro
2 days ago
2,675 Posts
Quote from koshawala :
These are not powerstack batteries as the OP says. These are 'powerpack' batteries. I don't know the difference.
I don't know the difference as well but you are correct, it's clearly labeled as powerpack on Amazon's site as well on the item picture. I searched and 8ah didn't come up on powerstack and only on powerpack. I bought it mainly for the light weight (powerstack). I ordered but we can always return it.

Here's a discussion a couple of months ago on Reddit.
https://www.reddit.com/r/Dewalt/c...?rdt=65490
1
2 days ago
19 Posts
Joined Apr 2014
2 days ago
Pr00001
2 days ago
19 Posts
Does higher Ah give more power to the tool?
Pro
1 day ago
2,675 Posts
Joined Mar 2007
1 day ago
hkteaman
Pro
1 day ago
2,675 Posts
Quote from Pr00001 :
Does higher Ah give more power to the tool?
I don't think so because Ridgid and Milwaukee came out with 3 ah batteries that provide more power and it's because of the cells they used. Here's the question that was asked 3 years ago

https://www.reddit.com/r/Tools/co...?rdt=40793

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1 day ago
458 Posts
Joined Jan 2008
1 day ago
Chipipay
1 day ago
458 Posts
Could this be a price mistake?
The powerpacks are newer and more expensive than powerstacks. I hope they ship the PowerPacks and not the PowerStack
Original Poster
Pro
1 day ago
617 Posts
Joined Mar 2022
1 day ago
PEMP
Original Poster
Pro
1 day ago
617 Posts

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Quote from Pr00001 :
Does higher Ah give more power to the tool?
Technically, no. The Ah is purely a metric of the capacity independent of the power output. However, there is some correlation between capacity and power output since higher capacity batteries use more cells. If these cells are in parallel, they permit higher currents (which directly corresponds to power as current x voltage = power). In addition, higher capacity cells can sustain the voltage for longer (less sag) and so that also contributes to power.

As you go up in capacity, there are jumps in power output, and also battery-pack size, as additional layer of cells are added. The cells are typically 3.6V and so five of them are run in series to get to 18V (20V MAX has a nominal voltage of 18V). This configuration includes the compact batteries (DCB201, DCB203). To increase capacity further, packs can be made up of 10 cells, configured as two serial circuits of five cells in parallel. This configuration doubles the current output. Then there are some packs with 15 cells (three parallel circuits).

Older and non-premium batteries use 18650 cells (the number refers to the size: 18mm in diameter x 65mm in length). In the DeWalt line, these include packs with one row of five cells (DCB201, DCB203), two rows (DCB200, DCB204, DCB205), three rows (DCB606) or six rows (DCB615).

Some newer batteries use the larger 21700 cells. These generally have higher power output than 18650s. They are also 3.6V and so are configured as one or more circuits of five cells. DeWalt has 21700-cell batteries configures in one row (DCB230, DCB240), two rows (DCB206, DCB208, DCB210) and three rows (DCB609, DCB612).

The latest 21700 configurations are tabless allowing more power. Currently, DeWalt only offers one tabless 21700 battery and that is this one, the DCB2108 which is two rows of five cells. The next one to be release will be a 4Ah, the DCB2104, which will have one row of five cells.

Finally, some batteries use lithium-ion pouched rather than cells stacked up (hence the name POWERSTACK). They seem to be configured in units of ~1.7Ah, with the DCBP034 using one unit (1.7Ah), the DCBP520 using three (5Ah) and the yet-to-be-released DCBP320 using two units (3.5Ah). The pouches have higher output capacity than 18650 or 21700 (non-tabless) cells.
2
Original Poster
Pro
1 day ago
617 Posts
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1 day ago
PEMP
Original Poster
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1 day ago
617 Posts

Our community has rated this post as helpful. If you agree, why not thank PEMP

Quote from Chipipay :
Could this be a price mistake?
The powerpacks are newer and more expensive than powerstacks. I hope they ship the PowerPacks and not the PowerStack
DeWalt seems to be heavily promoting these batteries and so I don't think it is a price mistake. They gave a bunch of them for free to their authorized dealers to sell as buy-one, get-one deals. I don't know for sure, but I think packs using tabless 21700 cells are cheaper to produce than lithium pouches. Therefore, I would expect to regularly see these 8Ah packs on sale for around the same or less than the 5Ah POWERSTACKs. Similarly, Milwaukee have been heavily discounting their M18 FORGE 8Ah and 12Ah batteries which both use tabless 21700s, but have not offered much off on the M18 FORGE 6Ah which uses pouches. You can generally pick up the 8Ah for less than the 6Ah.
1
1 day ago
120 Posts
Joined Oct 2017
1 day ago
Openheimer
1 day ago
120 Posts
They keep increasing the size of these "portable" batteries. Very soon people will be wearing backpack batteries walking around looking like a Guatemalan Landscaper
1 day ago
19 Posts
Joined Apr 2014
1 day ago
Pr00001
1 day ago
19 Posts
Quote from PEMP :
Technically, no. The Ah is purely a metric of the capacity independent of the power output. However, there is some correlation between capacity and power output since higher capacity batteries use more cells. If these cells are in parallel, they permit higher currents (which directly corresponds to power as current x voltage = power). In addition, higher capacity cells can sustain the voltage for longer (less sag) and so that also contributes to power.

As you go up in capacity, there are jumps in power output, and also battery-pack size, as additional layer of cells are added. The cells are typically 3.6V and so five of them are run in series to get to 18V (20V MAX has a nominal voltage of 18V). This configuration includes the compact batteries (DCB201, DCB203). To increase capacity further, packs can be made up of 10 cells, configured as two serial circuits of five cells in parallel. This configuration doubles the current output. Then there are some packs with 15 cells (three parallel circuits).

Older and non-premium batteries use 18650 cells (the number refers to the size: 18mm in diameter x 65mm in length). In the DeWalt line, these include packs with one row of five cells (DCB201, DCB203), two rows (DCB200, DCB204, DCB205), three rows (DCB606) or six rows (DCB615).

Some newer batteries use the larger 21700 cells. These generally have higher power output than 18650s. They are also 3.6V and so are configured as one or more circuits of five cells. DeWalt has 21700-cell batteries configures in one row (DCB230, DCB240), two rows (DCB206, DCB208, DCB210) and three rows (DCB609, DCB612).

The latest 21700 configurations are tabless allowing more power. Currently, DeWalt only offers one tabless 21700 battery and that is this one, the DCB2108 which is two rows of five cells. The next one to be release will be a 4Ah, the DCB2104, which will have one row of five cells.

Finally, some batteries use lithium-ion pouched rather than cells stacked up (hence the name POWERSTACK). They seem to be configured in units of ~1.7Ah, with the DCBP034 using one unit (1.7Ah), the DCBP520 using three (5Ah) and the yet-to-be-released DCBP320 using two units (3.5Ah). The pouches have higher output capacity than 18650 or 21700 (non-tabless) cells.

Wow.. thanks!
1 day ago
1,098 Posts
Joined May 2010
1 day ago
Moneymitch
1 day ago
1,098 Posts
Is this really a $200 battery at retail?
1 day ago
16 Posts
Joined Jul 2016
1 day ago
markdmcclure
1 day ago
16 Posts
Quote from EdMcK515 :
The problem is Amazon co-mingles inventory.

It's why I stopped order auto parts off them.
I ordered a battery from the official DeWalt battery store and they shipped it from a third-party seller and it was definitely a counterfeit battery.

I did this twice and sent it back twice.

You might as well order a knockoff battery if you're ordering direct from Amazon.... Because that's what you're going to get.
1

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1 day ago
16 Posts
Joined Jul 2016
1 day ago
markdmcclure
1 day ago
16 Posts
Quote from Chipipay :
Could this be a price mistake?
The powerpacks are newer and more expensive than powerstacks. I hope they ship the PowerPacks and not the PowerStack
They are counterfeit batteries, hence the price.
1