Ultimate Battery Tube by Varitube - 18650 - Spring Loaded !!!


(No reviews yet) Write a Review
Here's the ultimate in battery tubes for your mods.  The Varitube 18650 Spring loaded tube.  Often you purchase or make a nice wood shell and then your forced to make due without a quality solution for your battery.  This tube solves your problems!  

100% Brass Tube is chrome plated to prevent oxidation and break down.  Spring loaded for constant pressure and superior electrical connectivity.  Why short cut to most important aspect to your build?

  • Solid Brass tube and finished in chrome plating
  • Solid Brass top floating center pin is also chrome plated
  • Top pin is spring loaded to provide constant pressure and maintain perfect connection.  It self-adjusts to the minor differences in battery lengths and assures a solid connection
  • Electrical isolation is accomplished via PEEK insulator on top\
  • Spring carries no load
  • Positive center pin is also manually adjustable to set pressure/clearance of the spring depending on batteries.
  • Ground lug included and accomplished via installation into top cap.  Solder negative/ground connection directly to the lug.
  • Positive center pin bored to accept your wire for direct soldering
  • Assembled tube length is 77.3mm
    • Center Pin and Ground lug add 1.5mm to overall length
    • Center pin needs room to float up during battery installation - 1mm-3mm
  • Major OD at battery end is 21.6mm at the cap ends
  • Major OD at Top Cap is 22.9mm
  • ID is 19mm