$4017
Limit 3 per order
Pay $15.17 $40.17 when you open a new card. 
Apply for a Home Depot Consumer Card- Lets you use 20-Volt MAX slide pack batteries with 18-Volt tools
- Works with Most DEWALT 18-Volt power tools
- Requires DEWALT 20-Volt MAX charger (sold separately)
- View More Details
How to Get It
Product Overview
DEWALT Guaranteed Tough
DEWALT power tools are made to live on the jobsite. That is where they are tested, and if there is a problem, it’s where we solve it.
Multiple Battery Options
Select from a variety of 20 VOLT batteries to fit your need, or get up to eight times runtime when using DEWALT FLEXVOLT batteries with 20 VOLT tools.
DEWALT 20 VOLT MAX System
Take charge with 200+ products in the 20 VOLT MAX line, each designed to fit the job. All tools come with upgraded features and superior ergonomics.
LED Display
LED displays charge status.
Battery Charge Time
Battery charge time is +/- 1.5 hour.
DEWALT 20 VOLT MAX
Compatible with DEWALT 20 VOLT and 18 VOLT Batteries.
Tool Warranty
3-Year Limited Warranty, 1-Year Free Service and 90-Day Money Back Guarantee.
Compatibility
20V MAX and FLEXVOLT Batteries are Compatible with all DEWALT 20V MAX Tools.
Lightweight Design
20 VOLT 1.3Ah, 1.5Ah, 2.0Ah and 3.0Ah feature a compact and Lightweight design.
No Battery Memory
No memory and virtually no self-discharge for maximum productivity and less downtime.
Warranty
90-Day money back guarantee and up to 3-year free service agreement.
Runtime and Power
20 VOLT 4.0Ah and 5.0Ah batteries and 60 VOLT FLEXVOLT batteries are designed for longer runtimes and more power.
FLEXVOLT Compatible
Get up to 8x the runtime when using DEWALT FLEXVOLT batteries with 20 VOLT MAX tools.
Add versatility to your toolbox with the DEWALT DCA1820 20-Volt MAX to 18-Volt tool adapter. This adapter allows you to use selected DEWALT 20-Volt MAX Lithium Ion slide pack batteries with DEWALT 18-Volt power tools. Now you don't have to compromise when it comes to battery packs or buy duplicate tools.
- Compatible with most DEWALT 18-Volt tools
- Allows for use of 20-Volt MAX compact batteries in most DEWALT 18-Volt tools
- Requires use of DEWALT 20-Volt MAX charger
- Adapter will not fit into DEWALT 18-Volt chargers
- Battery and charger are sold separately
- Do not use adapter with premium batteries (DCB200, DCB204, DCB204BT, DCB205) in 18-Volt compact drills DC970, DC759. Use with DCB201, DCB203, DCB203BT compact batteries
- More Options in the DEWALT 20V/FLEXVOLT Platform Here
- Click here for more information on Electronic Recycling Programs
Compare Similar Power Tool Batteries
 | Top Rated |  |  | |
| Brand | DEWALT | Milwaukee | RYOBI | Paslode |
| Name | 20-Volt MAX Lithium-Ion Battery Adapter for 18-Volt Tools | M12 12-Volt Lithium-Ion 2.0 Ah Compact Battery Pack | ONE+ 18V 2.0 Ah Lithium-Ion Battery | 6-Volt Oval Ni-Cd Rechargeable Battery |
| Price | $4017 | $6497 | $6997 | $8298 |
| Ratings | (974) | (3112) | (1290) | (122) |
| Battery Amp Hours | 0.0 | 2.0 | 2.0 | 1.0 |
| Voltage (volts) | 20 V | 12 V | 18 V | 6 V |
| Used with Equipment Type | Drill,Sander,Saw | Specialty Power Tool | Specialty Power Tool | |
| Power Tool Accessory Type | Battery | Battery | Battery | Battery |
| Number of Total Batteries Included | 0 | 1 | 1 | 1 |
| Battery Power Type | Lithium Ion | Lithium Ion | Lithium Ion | Ni-Cad |
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
| Product Height (in.) | 7 in | Product Length (in.) | 3 in |
|---|---|---|---|
| Product Width (in.) | 3.187 in |
Details
| Battery Amp Hours | 0.0 | Battery Power Type | Lithium Ion |
|---|---|---|---|
| Charge time (min.) | 0 | Charger Included | Charger Not Included |
| Color Family | Yellow | Number of Total Batteries Included | 0 |
| Power Tool Accessory Type | Battery | Power Tool Features | No Additional Features |
| Rechargeable | Yes | Returnable | 90-Day |
| Used with Equipment Type | Drill,Sander,Saw | Voltage (volts) | 20 V |
Questions & Answers
Typical questions asked about products:
- Is the product durable?
- Is the product easy to use?
- What are the dimensions of the product?
Customer Reviews
Jul 8, 2020
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by
Apr 9, 2020
Great Porduct That Needs Better Manual
It does what it supposed to do. The two sticking tabs on both sides were the newest edition to prevent usage with 20V Max Premium batteries as it they are not compatible with some 18V equipment (see the manual for the list). So all of the people who had hard time removing batteries is because those are premium batteries (5Ah and up). For regular 20V Max Li-I batteries those tabs on the adapter are not on the way. Attached picture that explains it.
by
Jan 21, 2020
Not perfect, but it does what it is supposed to do. It does provide a method to use the 20-Volt M...
Not perfect, but it does what it is supposed to do. It does provide a method to use the 20-Volt MAX batteries with old 18-Volt tools (Drill and Saw).
While the adapter fits the tools and clips in properly, it does not fully fill the space at the bottom of the tool that the old battery took.
I also found that the 20-Volt MAX batteries slowly discharge when left in the adapters. I now keep the adapters in the tools and never leave the battery in the adapter when not in use. The batteries no longer discharge while stored.
I don't know why the adapter itself is so large or angled. The combination of the adapter and 2AH battery is similar in size to the old 18-Volt packs that I had, but the adapter could have been less than half the size that it is.
If you have multiple 18-Volt tools, getting these adapters to extend the life of the tool and use current battery technology is the way to go.
by
Nov 7, 2019
Works with most 18v Dewalt tools
The adapter fits most of 20v max batteries 1.5AH, 2AH, 3AH, 4AH,
by
Jan 9, 2019
This is great you can keep all your 18 volt tools and still use the same battery as the 20 volt t...
This is great you can keep all your 18 volt tools and still use the same battery as the 20 volt tools. Money well spent. Because in was thinking about getting rid of my 18 volt so I could use the same battery for all of them.
by
Nov 3, 2018
No need to waste money on outdated battery technology ( XRP battery, which cost the same as lith...
No need to waste money on outdated battery technology ( XRP battery, which cost the same as lithium batteries) which discharge in your tool box by themselves, enough to delay you in starting a job, or invest in a newer lithium bare tool, when all your XRP tools work fine and will work even better with the latest battery technology, just get this adapter and maybe a new kit on sale with 4 ah or 5 ah batteries even 2 ah are great ( more or bigger batteries even better ) and your work day will go faster and longer. Best addition of my tool box in a while.
by
Jan 30, 2018
This was exactly what I was looking for to use my 20 volt batteries for my 18 volt tools so I cou...
This was exactly what I was looking for to use my 20 volt batteries for my 18 volt tools so I could do more with less. My order came in extremely fast and I absolutely love it they work perfect
by
Jan 16, 2018
The 20 volts adapter works very good with all my old 18 volt drills. I definitely recommend it....
The 20 volts adapter works very good with all my old 18 volt drills. I definitely recommend it. You save money by using the new 20volt batteries.
by
Dec 5, 2017
It seems to work good when I plug it into my 18 volt angle nailer at first but then I have to rea...
It seems to work good when I plug it into my 18 volt angle nailer at first but then I have to readjust it to get the connectivity to work correctly almost every time !!!! Not happy !!!!!
by
Nov 29, 2017
Works great!
Works great!
by
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