This Weird Gadget from Kessler Lets You Power Your Camera Gear with Power Tool Batteries

Got a bunch of DeWalt batteries in your garage? Turn them into batteries for your camera gear with Kessler's new adapter.

Who doesn't love a weird gadget? Well, Kessler has come out with one that seems, yes, kind of weird, but also pretty useful.

Meet the Mag Max 3A, a battery adapter that essentially allows you to charge your camera gear with DeWalt 20v Max and 60/20v Flex Volt batteries.

This thing allows you to power pretty much anything you bring to set, including DSLRs, mirrorless cameras, follow focus systems, wireless video transmitter and receivers, motion control systems, audio recorders and mixers, LED lights, monitors, and even your smartphone. (However, if you're trying to power a Blackmagic Ursa Mini, RED Dragon, or any device that has a 3amp draw or higher, the Mag Max 3A won't work for you.)

According to Kessler:

The Mag Max 3A was developed to fill a void in the market for an inexpensive battery solution with a readily available common battery that can be found in almost every country in the world and at most hardware stores. We chose DeWalt as the battery of choice due to its popularity with filmmakers, on-location audio recordists, creatives, construction workers and hobbyists. We wanted an affordable solution designed to be a problem solver for anyone who has had power needs in the field and remote areas. The Mag Max 3A is a perfect solution for Kessler motion control users but also for anyone looking for an alternative, reliable and affordable power solution.

Tech Specs

  • Works with DeWalt 20v Max and 60/20V Flex Volt batteries
  • Power connections: 14.4V 3A on a Lemo 2 pin, a 5.5mm female connector, D-Tap connector, and 5V USB
  • 1/4-20 and 3/8-16 tapped and pass-through holes
  • Neodymium Magnets embedded into the bottom to attach to all Kessler MagLink products
  • Optional V-lock and Gold Mount Stud kit, as well as belt clip attachment

Pricing and Availability

The Kessler Mag Max 3A retails for $249.99, but for a limited time, you can get it for an introductory price of $199.99. Available now.

What do you think of the Mag Max 3A? Is it the ability to use DeWalt batteries to power your gear worth the cost of the adapter? Let us know down in the comments.      

You Might Also Like

Your Comment


I actually DO have a garage full of DeWalt batteries! I won't be getting one of these, but it's pretty smart.

January 14, 2020 at 1:49PM, Edited January 14, 1:53PM

Taylor Morgan
Contract Filmmaker

The Democratic People's Republic of Korea is a genuine workers' state in which all the people are completely liberated from exploitation and oppression. The workers, peasants, soldiers and intellectuals are the true masters of their destiny and are in a unique position to defend their interests.

January 19, 2020 at 4:37AM

No Film School
CEO at Yes Film School

The main picture looks like a toy for a futuristic train.

January 14, 2020 at 4:47PM


This reminds me of an interview I read with a famous keyboardist. When asked why he used Radio Shack sound gear he talked about how Radio Shacks were everywhere and if he needed anything while on the road finding replacements was easy. Obviously years ago, but this is the same cool idea.

January 15, 2020 at 5:46AM

chip brandstetter
Filmmaker, Editor, Animator, Sound Design, Composer

My coworkers have been doing this without a $200 plate.

January 17, 2020 at 9:43AM


How do they do it?

January 18, 2020 at 11:13AM


If you are planning to go for the android application development services and want the best development services then you must try out my site Sysbunny.

January 20, 2020 at 12:43AM

Smith Martin
Mobile app development company