Maratac® Delrin Battery Lockers

  • Sale
  • Regular price $16.95
Shipping calculated at checkout.


Delrin® is a lightweight, extremely stable space age polymer. Lid is secured via flange to cap seal internal O-ring

18650 Battery Locker:

  • Fits Standard 18650 Cells or 2 x CR123 Batteries
    • Overall length: 84.50 mm or 3.35"
    • External diameter: 23.8 mm or .94"
    • Internal opening: 19.45 mm or .78"
    • Internal depth: 70.25 mm or 2.75"
  • Weight 21.5 grams

21700 Battery Locker:

  • Fits Standard 21700 Cells / 1 x 18650 With Extra Space / 2 x CR123 Batteries
    • Overall length: 88 mm or 3.47"
    • External diameter: 27 mm or 1.06"
    • Internal opening: 21.86 mm or .86"
    • Internal depth: 70.7 mm or 2.79" - Includes Cap Elevated Section
  • Weight 27.9 grams
  • Doesn't fit 21700 batteries with built in charging ports (these cells are extra long ) 

AA Battery Locker:

  • Overall length: 62.80 mm or 2.48"
  • External diameter: 19.00 mm or .75"
  • Internal opening: 14.45 mm or .57"
  • Internal depth: 49.50 mm or 1.97"
  • Weight 11.10 grams

AAA Battery Locker:

  • Overall length: 57.42 mm or 2.26"
  • External diameter: 15.20 mm or .60"
  • Internal opening: 10.50 mm or .42"
  • Internal depth: 44.00 mm or 1.74"
  • Weight 7.7 grams

CR123 Battery Locker:

  • Overall length: 47.50 mm or 1.87"
  • External diameter: 21.10 mm or .83"
  • Internal opening: 16.80 mm or .66"
  • Internal depth: 33.30 mm or 1.30"
  • Weight 10.20 grams