Stack section contact disc

(2 reviews) Write a Review

Out of stock

stack section spacer for OP 21700 stack set up. This spacer compensates for battery defects, including recessed positive posts. With this disk you can get a solid connection even with B and C bin 30T batteries. 

2 Reviews Hide Reviews Show Reviews

  • 5
    Great for 30t batteries

    Posted by Tim Callaway on Mar 29th 2019

    Works great for any batteries with a flat positive pin

  • 5

    Posted by Adam killen on Mar 13th 2019

    Fits great