12VDC DeWalt Power Adapter

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  • Ed Kirk
    Lieutenant, Junior Grade

    • Dec 2025
    • 34
    #1

    12VDC DeWalt Power Adapter

    Click image for larger version Name: image.png Views: 37 Size: 33.7 KB ID: 192860.
    I am impressed with my 12 volt DeWalt drill, run time and power is great. Considering using in my RC sub, maybe in the wet side, Any opinions?
    Tags: None
    • RCENGR
      Lieutenant, Junior Grade
      • May 2025
      • 21
      #2
      There are circuit boards internal to those batteries. You shouldn't get them wet unless you waterproof them somehow. https://youtu.be/8eDtZX6isbI?si=BkzVN2BgJ-LXqsT2&t=377

      Click image for larger version Name: Dewalt internal.jpg Views: 29 Size: 62.7 KB ID: 192865

      Last edited by RCENGR; 12-27-2025, 03:56 AM.

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        • Fishb0y
          Lieutenant Commander

          • Jul 2023
          • 140
          #3
          A dive scooter manufacturer currently employs these batteries in a dry-sealed application. My older model uses a legacy proprietary battery pack, and converting to tool batteries would provide greater flexibility and ease of replacement. https://dive-xtras.com/pages/cuda-x-series
          Now if you'll excuse me, I'm going to go on an overnight drunk, and in 10 days I'm going to set out to find the shark that ate my friend and destroy it. Anyone who wants to tag along is more than welcome.

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            • Subculture
              Admiral

              • Feb 2009
              • 2481
              #4
              Just lithium cells in a pack. Look for 18650 and 21700 cells.

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                • Albacore 569
                  Captain

                  • Sep 2020
                  • 707
                  #5
                  What are the amp hours of that battery? AMPH?

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                    • Ed Kirk
                      Lieutenant, Junior Grade

                      • Dec 2025
                      • 34
                      #6
                      12V @2AH, I get hours of heavy use like installing self taping wood screws. I am impressed at how long it last.

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                        • Ed Kirk
                          Lieutenant, Junior Grade

                          • Dec 2025
                          • 34
                          #7
                          Got one, using it on my workbench for 12VDC power supply. Works great, don't think I will put it in a boat. PS - it comes with a fuse, very handy, had a speed controller with a short, no damage.

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                            • Das Boot
                              Vice Admiral

                              • Dec 2019
                              • 1567
                              #8
                              It seems if you try to correct a post more than once for spelling, or whatever reason, it gets flagged. This has really gotten old.
                              Of the approximately 40,000 men who served on U-boats in WWII, it is estimated that around 28,000 to 30,000 lost their lives.

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                                • Das Boot
                                  Vice Admiral

                                  • Dec 2019
                                  • 1567
                                  #9
                                  Delete delete
                                  Last edited by Das Boot; Today, 12:41 AM.
                                  Of the approximately 40,000 men who served on U-boats in WWII, it is estimated that around 28,000 to 30,000 lost their lives.

                                    Comment

                                    • Das Boot
                                      Vice Admiral

                                      • Dec 2019
                                      • 1567
                                      #10
                                      Originally posted by Ed Kirk
                                      Click image for larger version Name: image.png Views: 37 Size: 33.7 KB ID: 192860.
                                      I am impressed with my 12 volt DeWalt drill, run time and power is great. Considering using in my RC sub, maybe in the wet side, Any opinions?
                                      Water can cause corrosion and damage to the internal components of the battery. My opinion? Stop asking ridiculous questions about running batteries in wet, especially batteries that weren’t meant to be wet, period. Do you really think that a drill battery was meant to run in water? There are plenty of batteries out there that will fulfill your needs, in dry conditions. The battery pack itself is a potential hazard. If submerged in water, it can short-circuit, overheat, and even explode. And I don’t give a damn what kind of experiments have been run with batteries and water, you’re always risking yourself and your boat by doing it. Just imagine you submerge your battery and water, run it for a certain amount of time, bring it out, open it up and it blows up in your face, hurting you and someone else. You really want to take that risk? If so, get yourself some extra insurance. Lastly, DeWalt drills typically use lithium-ion batteries. Screw with those, and you’re gonna get hurt.
                                      Of the approximately 40,000 men who served on U-boats in WWII, it is estimated that around 28,000 to 30,000 lost their lives.

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