Fruit Green PVC Heat Shrink Tubing for RC Battery Packs — 15mm to 400mm Wide

Measure the circumference of your battery pack, then divide by 2 to get the required flat width. For example, a pack with a 60mm circumference needs a flat width of approximately 30mm. When in doubt, size up slightly — PVC heat shrink tubing typically shrinks to about 50% of its flat width diameter. The Ø diameter listed in each variant (e.g., Flat Size 50mm / Ø 32mm) is the approximate inner diameter after shrinking, so you can also match that directly to your pack's widest cross-section.

This tubing has a 2:1 shrink ratio, meaning it shrinks to roughly half its original flat width diameter when heat is applied. For example, Flat Size 50mm (Ø 32mm) will shrink down to fit snugly around a ~32mm diameter object. This is the standard ratio for PVC heat shrink tubing used in RC battery pack wrapping.

PVC heat shrink tubing provides basic moisture resistance and is generally suitable for indoor use and light outdoor exposure during normal RC operation. It is not designed for full submersion or prolonged outdoor weathering. For waterproof applications, adhesive-lined polyolefin tubing is typically recommended. Contact us to confirm suitability for your specific environment.

PVC heat shrink tubing typically activates at around 70–90°C (158–194°F). A heat gun on a low or medium setting works best for even shrinkage. Avoid open flames — they can scorch or melt the material unevenly and may damage the battery cells underneath. Keep the heat gun moving steadily along the length of the tubing for a smooth, wrinkle-free finish.

Yes. This tubing is commonly used to wrap and protect both LiPo and NiMH RC battery packs, as well as NiCd and Li-Ion assemblies. It provides a clean, snug finish that holds cells together, protects against abrasion and minor impacts, and gives your pack a professional appearance. The fruit green color is also useful for visually distinguishing pack chemistry or voltage in a multi-pack setup.

The Ø diameter listed in each variant name is the approximate inner diameter after shrinking. For example, "Flat Size 50mm (Ø 32mm)" means the tubing shrinks down to fit a ~32mm diameter object. To find the right size, measure the widest cross-section of your battery pack and match it to the closest Ø diameter. If your pack is between two sizes, choose the larger one so the tubing slides on easily before you apply heat.

PVC heat shrink tubing is generally rated for low-voltage insulation applications, typically up to 600V. For RC battery packs and hobby electronics — which typically operate well below this threshold — this rating is more than sufficient. If you have specific electrical insulation requirements for industrial or high-voltage applications, please contact us to confirm suitability.

For a single RC battery pack, you typically need a piece of tubing that is 10–20mm longer than the pack itself to allow for clean overlap at each end. Most standard RC packs are 100–200mm long, so a 1-meter length is generally sufficient for several wraps. If you're rebuilding multiple packs or want a workshop supply, the 5m, 10m, or longer options offer better value per meter.