2 Meter PVC heat shrink tubing a variety recommended by Jehu Garcia (@jehu) • Kit
3.7V 7.8ah Lithium Ion Rechargeable Battery 18650 Li-ion 1s3p Shrink Wrap PVC Battery for LED Lighting Solar Street Lights Power Tools Electronic Device etc. - China Battery Pack, LED Lighting Battery
Black Battery Heat Shrinkable Tubing,3m (1Roll) of 0.15x300mm Battery Pack Wrap Heat Shrink Sleeve for 18650 21700 AA AAA 18500 20700 26650 Battery Pack : Industrial & Scientific - Amazon.com
3.7V 7.8ah Lithium Ion Rechargeable Battery 18650 Li-ion 1s3p Shrink Wrap PVC Battery for LED Lighting Solar Street Lights Power Tools Electronic Device etc. - China Battery Pack, LED Lighting Battery