Magiin Blue DIY Battery Pack PVC Heat Shrink Wrap Tube for Big Battery Pack Power (Length 3M Flat Width 180±3MM) - buy from 14$ on Joom e-commerce platform
DIY battery 24V 30Ah li-ion battery with pvc package 24v electric bike battery with BMS and charger | E bike battery, Electric bicycle, Electric bike battery
Build a Battery Pack Using PVC Pipes : 12 Steps (with Pictures) - Instructables
How to make 12 Volt Battery From PVC Pipe - Rechargeable 12V Battery Homemade | adi Experiment - YouTube
PVC pipe" lipo battery case build - Endless Sphere