• Packaging method of calculation:To find the size you need, measure the widest cross-section circumference of your pack and then divide it by 2 .Use the shrink wrap size at least 5mm (1/5 inch) wider than your half circumference value.

  • This specification pvc heat shrink tubing suit for packaging the 4x18650 battery square packaging, 3x18650 in parallel packaging, and AA Battery pack.

  • Our shop also has other pvc heating shrink tube for multiple batteries, details please contact customer service.

  • The Battery is not included.