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Dewalt 20v Batteries Interchangable?

IRQVET

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Jun 29, 2015
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Forgotten Coast (FL)
I have a 20v Dewalt impack gun but it only came with one battery, so I'm looking in options (if there are any). Are the other 20 volt batteries **** as the 20v max interchangable? Does Amazon sell a worthwhile unbranded battery?

I'm a home hobbyist, so I don't make a living with my tools.
 
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JradM

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Alberta
I wouldn't recommend any batteries that are not Dewalt-branded. There are no reputable generic batteries. They may power your impact gun, but lack the heat and overload protection of the original batteries. It is very common for them to be mis-labelled as having higher capacity than they actually do.

You can fit any Dewalt 20v or 60v battery pack in your impact gun.

60v packs (aka "Flexvolt") actually run at 20v in 20v tools and then 60v in the 60v tools. It's unlikely you will want to buy any of the 60v packs for an impact gun however, because they are physically large. A 20v pack doesn't run in a 60v tool though.

Any Dewalt 20v pack will fit, the difference is just how much capacity each pack holds.
  • 1.3ah and 1.5ah battery packs aren't usually sold except as part of "kits".
  • The smallest regular retail pack is 2.0ah
  • there are "regular" 3.0 and 4.0 batteries - and also 3.0 and 4.0 "compact" batteries. A 3.0 pack has the same capacity either way, but the compact version is more... compact.
  • Once you get to the 6.0ah sized 20v pack, that's getting large for use in an impact gun. The 6.0ah 20v pack is the same size and capacity (pretty much) as the smallest 60v pack.
If you really want, you can connect even the new 15ah 60v pack to your impact gun - but that would be a workout.

I should add: there aren't any other 20v packs from other tool brands that are compatible with Dewalt. E.g. Craftsman, Porter Cable and Black & Decker 20v packs do not fit in a Dewalt tool.
 

Citation

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Jan 20, 2016
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Indy
I think the project farm YT channel did a video on this. Some of the aftermarket batteries were good, others not so much. The problem is how do you know when buying? The total **** ones both ruin it for the sellers of well designed aftermarket stuff and for us buyers since we can't trust the listing.
 

Bubba Fett

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Jun 11, 2018
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Eastern NC
I think the project farm YT channel did a video on this. Some of the aftermarket batteries were good, others not so much. The problem is how do you know when buying? The total **** ones both ruin it for the sellers of well designed aftermarket stuff and for us buyers since we can't trust the listing.
Yeah. The quality control is probably very spotty. He may have just got lucky. Frankly I'd be concerned about generic packs catching fire or exploding.
 

charbar

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Feb 6, 2021
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Midwest
I would stick with an actual Dewalt one. Cheap batteries just end up costing you more in the long run.

Check local places for sales. Bomgaars (farm/hardware type store in the midwest, Im sure there are none anywhere close to Florida) regularly has sales on Dewalt stuff. If you have a place like that down there it would be worth checking out.
 

MidnightZ21

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Mar 27, 2021
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Indiana
Watch for the sales. Sometimes you can catch sales where you can buy a bare tool and it comes with a free battery. You can turn around and sell the bare tool if you don't want it. Or, be on the lookout for sales on kits. That way maybe you can pick up a couple batteries and some tools you don't have. If you don't need wood working or mechanics tools then check out their yard tools. I have one of their trimmers and like it.
 

finn

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The UP, God's country
Dewalt, like Milwaukee, offers a couple of battery “quality” levels.

They advertise their 20 volt XR batteries as having 30% more capacity than their standard 20v MAX batteries. Not sure what that’s all about, or if it even matters to the non professional.

I use the standard Max, XR, and Flexvolt pretty much interchangeably. High demand tools, eg grinders, circular saws, etc, like the premium batteries, but simple impact drivers are nicer to use with the smaller, lighter batteries.

I guess that, in general, I prefer a lighter tool/battery, with a spare battery, rather than a heavy, awkward tool/large battery that will run all day without charging or swapping batteries.

Some tools need the big batteries to handle the amperage draw, though, for max performance.
 

FMB4

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Jan 19, 2017
Messages
2,926
I replaced 2 Dewalt 9.6v (ya, I know) batts with a couple of generic eB*y batts. Went with the seller with the highest ratings, both seller feedback and product reviews (said batts were no longer avail from Dewalt). Both batts are still going strong (for 9.6v) after several years now. Note: I store all my power tool batts (name brand or otherwise) in a locked steel tool box that is not located near anything that would easily go up in flames.
 

shawhite

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Joined
May 28, 2014
Messages
1,519
I wouldn't recommend any batteries that are not Dewalt-branded. There are no reputable generic batteries. They may power your impact gun, but lack the heat and overload protection of the original batteries. It is very common for them to be mis-labelled as having higher capacity than they actually do.

You can fit any Dewalt 20v or 60v battery pack in your impact gun.

60v packs (aka "Flexvolt") actually run at 20v in 20v tools and then 60v in the 60v tools. It's unlikely you will want to buy any of the 60v packs for an impact gun however, because they are physically large. A 20v pack doesn't run in a 60v tool though.

Any Dewalt 20v pack will fit, the difference is just how much capacity each pack holds.
  • 1.3ah and 1.5ah battery packs aren't usually sold except as part of "kits".
  • The smallest regular retail pack is 2.0ah
  • there are "regular" 3.0 and 4.0 batteries - and also 3.0 and 4.0 "compact" batteries. A 3.0 pack has the same capacity either way, but the compact version is more... compact.
  • Once you get to the 6.0ah sized 20v pack, that's getting large for use in an impact gun. The 6.0ah 20v pack is the same size and capacity (pretty much) as the smallest 60v pack.
If you really want, you can connect even the new 15ah 60v pack to your impact gun - but that would be a workout.

I should add: there aren't any other 20v packs from other tool brands that are compatible with Dewalt. E.g. Craftsman, Porter Cable and Black & Decker 20v packs do not fit in a Dewalt tool.
This is not correct. There are several videos on the web of people modifying both B&D and porter cable batteries to work with Dewalt and vice versa. All three plus Mac are owned by Stanley so it makes sense they would use the same battery tech to reduce production cost.
 
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bubinga

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Jul 26, 2014
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Bridgeport Ohio. (Across River From Wheeling WV)
I replaced 2 Dewalt 9.6v (ya, I know) batts with a couple of generic eB*y batts. Went with the seller with the highest ratings, both seller feedback and product reviews (said batts were no longer avail from Dewalt). Both batts are still going strong (for 9.6v) after several years now. Note: I store all my power tool batts (name brand or otherwise) in a locked steel tool box that is not located near anything that would easily go up in flames.
I had good luck with some aftermarket batteries, can't recall them seller or brand though.
 

JradM

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Alberta
This is not correct. There are several videos on the web of people modifying both B&D and porter cable batteries to work with Dewalt and vice versa. All three plus Mac are owned by Stanley so it makes sense they would use the same battery tech to reduce production cost.
Link? I own Dewalt, PC and B&D tools and batteries. PC and B&D are pretty much identical and swap easy peasy. Dewalt is different. Quite different.
 

KenC

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Dec 20, 2009
Messages
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Location
oklahoma
This is not correct. There are several videos on the web of people modifying both B&D and porter cable batteries to work with Dewalt and vice versa. All three plus Mac are owned by Stanley so it makes sense they would use the same battery tech to reduce production cost.
Well, it is and it isn't. They only fit with mods. Not everyone will want to void the battery warranty to do that.
 

shawhite

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May 28, 2014
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For the people that don’t want to modify anything there are plenty of adapters on the market.
 

lafester

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Mar 1, 2017
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Location
Northern CO
Buy the bundles when on sale and sell off the bare tools. Then do the opposite when you have enough batteries to build up your tool collection. You can get some great deals doing this, but you have to put in some work.
 

shawhite

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May 28, 2014
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There is a Bauer to Dewalt adapter available. Bauer batteries are about 1/2 of Dewalts
 
OP
I

IRQVET

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Jun 29, 2015
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Forgotten Coast (FL)
I have had THE WORST experience with any Bauer product I've ever purchased. Every one burnt up in a single afternoon. I will never buy anything Bauer again. If I need something cheap, I'll buy a factory reconditioned Dewalt or a Metabo.
 

alinc100

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May 26, 2013
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Dearborn,MI
Watch for the sales. Sometimes you can catch sales where you can buy a bare tool and it comes with a free battery. You can turn around and sell the bare tool if you don't want it. Or, be on the lookout for sales on kits. That way maybe you can pick up a couple batteries and some tools you don't have. If you don't need wood working or mechanics tools then check out their yard tools. I have one of their trimmers and like it.
THIS^^^^
 

Kscardsfan

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Apr 28, 2020
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Location
The Little Apple
Always buy the name brand batteries for your tools. It hurts but it’ll be cheaper than repair or outright replacement of your tools. Watch for sales and promos, especially around Father’s Day and Black Friday. When I bought my combo kit I found out there was a promo for a free third battery if I sent in the receipt and a form. So that was a smooth $100+ saved from that deal.
 
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