This adapter lets DeWalt 20v MAX XR DCB20 slider batteries power Bauer 20v MAX platform cordless tools. It suits anyone who already owns DeWalt packs and wants fewer batteries to buy. Good idea, as long as your packs match.
It does not work with DeWalt 18v Ni-CD or Ni-Mh packs or Black&Decker batteries, since the pin layout and size differ. It also will not charge your battery, so pull the adapter and use the original charger. The compact body has a built-in release switch. Fully seat the battery before use.
Quick verdict: A practical way to share DeWalt 20v MAX XR batteries with Bauer tools if your packs match.
- Best for: Anyone with spare DeWalt 20v MAX XR slider packs and Bauer 20v tools.
- Skip it if: You run 18v Ni-CD packs or Black&Decker batteriesor want charging through the adapter.
- Key spec: Fits DeWalt 20v MAX XR DCB20 slider packs only. Adapter only, no tool or battery.
Bauer 20V Max Adapter Specs and What Is in the Box
This is a bare adapter that lets a DeWalt 20V MAX XR slider lithium pack, the DCB20 style, run Bauer 20V MAX platform tools. The package includes one adapter. No tool and no battery come with it.
- Tool side: Bauer 20V MAX platform cordless tools.
- Battery side: DeWalt 20V MAX XR slider lithium packs.
- Build: molded ABS, compact design, with a built-in release switch for removal.
- Not compatible: DeWalt 18V Ni-Cd or Ni-MH packs and any Black&Decker batteries, because the pin layout and size are different.
- Charging: not supported through the adapter.
Charging is the part to get right. The adapter does not charge DeWalt batteries and does not support reverse charging. Take it off and put the pack on the original charger. The listing also says the battery must be fully inserted for normal use, so seat it all the way every time.
Read the label on your pack before you order anything. The listing rules out 18V Ni-Cd and Ni-MH, so a pack that is not a 20V MAX XR slider is the wrong match. On any adapter like this, the release switch and the latch fit are the small parts I would check first, since they get used on every battery swap.
Does the Adapter Deliver Full Power to Cordless Tools?
The listing says the adapter lets you make full use of a DeWalt 20v MAX XR slider battery on Bauer 20v MAX tools. It gives no current rating, no output figures and no test data, so I can’t confirm “full power” from the description. This kind of adapter is a pass-through. The battery and the tool set the ceilingand the adapter only has to connect them without losing much.
On a jobsite, the weak point is the contact path. A loose fit or a partly seated pack causes voltage drop, heat and cutouts under load. The description says the battery must be fully inserted for normal use, so seating clearly matters. Check that the built-in release switch latches the pack firmly before you lean on a drill or saw.
- Use only a DeWalt 20v MAX XR DCB20 slider pack.
- 18v Ni-CD, Ni-MH and Black&Decker batteries are excluded because of different pin sorting and size.
- No charging through the adapter. Remove it and use the original charger.
- Seat the battery fully every time.
Build Quality and Jobsite Durability of the Adapter Housing
The description lists the housing as molded ABS. That is a hard, common plastic used on plenty of tool bodies and battery shells, so it is a sensible material for an adapter that gets clipped on, yanked off and tossed in a bucket. The listing gives no impact rating, drop rating or wall thickness, so I can’t say how it handles a fall off a ladder.
On an adapter like this, the weak spots are usually the latch, the rails that hold the battery and the point where the housing meets the tool. The built-in release switch is the part that gets worked the most. It is also what lets you pull the pack off without prying.
Here is what I would check when it arrives:
- Seams between the housing halves sit tight with no gaps
- The release switch moves freely and springs back
- The battery seats fully, since the seller says it must be fully inserted for normal use
- No cracks or rough molding flash around the rails and contact area
The compact design keeps bulk down, which helps in tight spots like an attic or a mechanical room. The adapter does not charge batteries, so you remove it before charging. Expect it to go on and off often. That repeated handling is where cheap plastic wears first.
Which DeWalt 20V Batteries Work With This Adapter?
This adapter is made for DeWalt 20V MAX XR slider lithium packs, listed as the DCB20 style. That is the battery family it supportsand it lets those packs run Bauer 20V MAX platform tools. If your pack is not in that family, skip it.
- Works: DeWalt 20V MAX XR DCB20 slider lithium packs.
- Does not work: DeWalt 18V Ni-CD or Ni-MH packs.
- Does not work: any Black&Decker battery.
- No charging: the adapter does not charge DeWalt 20V MAX batteries and does not support reverse charging.
- Fit: the battery has to be fully inserted for normal use.
The listing says the incompatible packs use a different pin layout and size. That is why the older 18V sticks and the Black&Decker packs are out. Read the label on your pack before you count on this.
When a battery runs down, take the adapter off and put the pack on its original DeWalt charger. Also keep in mind this is the adapter only. The tool and the battery are not included.
Is an Adapter Better Than Buying a Bauer 20V Battery?
If you already own DeWalt 20V MAX XR slider batteries, an adapter is a practical way to run Bauer 20V MAX tools off packs you have. If you own no DeWalt batteries, it makes little sense, because you would still have to buy a battery to use it.
The bigger tradeoff is charging. The adapter does not charge DeWalt batteries, so you pull it off and use the original DeWalt charger. That is one more step at the end of a shiftand it is easy to skip when you are packing up. A battery made for the tool has no extra piece to remove.
- Fits DeWalt 20V MAX XR DCB20 slider packs only.
- Not compatible with Black&Decker batteries or DeWalt 18V Ni-CD and Ni-MH packs, because the pin layout and size differ.
- No charging through the adapter, so remove it before you charge.
- The battery has to be fully inserted for normal use.
- Adapter only, so no tool or battery is included.
Any adapter also adds one more connection between pack and tool. Check that the battery seats all the way in before you start work.
Best Jobs and Users for a Battery Adapter Setup
The best user already runs DeWalt 20v MAX XR slider packs and also owns a few Bauer 20v MAX tools. One battery platform in the truck means fewer packs to charge and keep track of. The adapter is meant to cut downtime by letting those packs power the Bauer tools.
Good jobs are light to medium tasks where a Bauer tool fills a gap in your kit. Think of a secondary tool you only pull out now and then. Buying a separate battery for something you rarely use makes little sense when DeWalt packs are already on the shelf. The built-in release switch also helps when you swap packs between tools during the day.
- Good fit: owners of DeWalt 20v MAX XR DCB20 slider packs who also use Bauer 20v MAX tools.
- Good fit: anyone who wants to swap one pack between tools instead of stocking two battery systems.
- Poor fit: anyone with DeWalt 18v Ni-CD or Ni-MH packs, since the pin layout and size are different.
- Poor fit: anyone with Black&Decker batteries.
- Plan ahead: the adapter does not charge, so pull it off and use the original charger.
Pros & Cons
| Pros | Cons |
|---|---|
| Lets DeWalt 20v MAX XR DCB20 slider batteries run Bauer 20v MAX platform tools. | Adapter only. No tool and no battery in the box. |
| Built-in release switch helps you pull the adapter off the tool. | Does not charge DeWalt 20v MAX batteries. You need the original charger. |
| Compact design keeps the adapter small. | Adapter must come off to charge the battery, which adds a step. |
| Aims to cut downtime by putting batteries you already own to work. | Won’t fit DeWalt 18v Ni-CD, Ni-MH or any Black&Decker batteries. |
| Molded ABS construction. | No reverse chargingand the battery must be fully inserted to work. |
Skip it if: you run DeWalt 18v Ni-CD, Ni-MH or Black&Decker batteries, want to charge through the adapteror don’t already own DeWalt 20v slider packs. In those cases, buy batteries made for your Bauer tools instead.
Frequently Asked Questions
Does the 1x Adapter for Bauer 20v MAX tools come with a battery?
No, it does not come with a battery or a tool. The package includes one adapter only. You need to supply your own compatible DeWalt 20v MAX XR battery and your own Bauer 20v MAX platform tool. Check the listing before ordering so you know exactly what is in the box.
Which DeWalt batteries fit this Bauer 20v MAX adapter?
The adapter is listed for the DeWalt 20v MAX XR DCB20 slider lithium battery pack. It is not compatible with DeWalt 18v Ni-CD or Ni-MH batteries or with any Black&Decker batteries. The listing says the pin sorting and size are different. If your pack is not a 20v MAX XR slider type, do not force it.
Can I charge a DeWalt 20v battery with this Bauer adapter on it?
No, this adapter does not charge DeWalt 20v MAX batteries. It also does not support reverse charging. Use the original charger for charging. When the battery needs a charge, take the converter off the pack first. Charge the battery on its own and put the adapter back on afterward.
Is the 1x Adapter for Bauer 20v MAX tools brushless?
Brushless does not apply here because this is an adapter and not a tool. The listing describes a molded ABS adapter with a compact design and a built-in tool release switch. Motor type depends on the Bauer tool you use it with, so check that tool’s listing. The adapter description does not mention motor details.
Is the Bauer 20v MAX to DeWalt battery adapter worth buying?
It can be, if you already own DeWalt 20v MAX XR slider batteries and Bauer 20v MAX platform tools. The listing says it lets you use that battery to extend Bauer tool work efficiency and reduce downtime. Make sure the battery is fully inserted. For warranty details, check the listing or the manufacturer.
Final Verdict
Bottom line: this is a narrow use adapter that lets DeWalt 20v MAX XR slider packs run Bauer 20v MAX platform tools. That is all it does. It will not charge your batteries, so pull it off and use the original DeWalt charger. I have not tested it, so I can’t speak to fit or durability. Make sure the pack is fully inserted before you pull the trigger, since the description says that matters for normal use.
It makes sense for a homeowner or serious DIYer who already owns DeWalt 20v packs and a few Bauer tools and wants one battery family. Skip it if your packs are 18v Ni-CD, Ni-MH or Black&Decker, because the description says they are not compatible. Pros who depend on a tool all day should be careful, since any adapter adds one more connection to fail. For daily work, buy batteries made for the tool. Tool and battery are not included.