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Flat 29.5 mm PVC heat-shrink tubes in 12 colours, 240 pieces for 18650 cells

Unique-Bargains

Unique-Bargains 240pcs 18650 Battery Wrap Kit 29.5mm 72mm 12 Colors

SKU CH-E428-3MB4R

240 PVC heat-shrink wraps in 12 colours fit 18650 cells with 29.5 mm flat width, 18.5 mm inner diameter and 72 mm length, shrinking at 80 °C to 48 ± 5 % rate for 300 V insulation from -40 °C to 105 °C

  • Protects 18650 cells with 240 PVC wraps
  • Shrinks at 80 °C for fast, low-heat installation
  • 12 colours aid quick battery identification
  • Insulates to 300 V across -40 °C to +105 °C
  • Fits 18.5 mm inner diameter before shrinking to 48 ± 5 %

Battery Wrap Kit for 18650 Cells

This kit supplies 240 pieces of PVC heat-shrink tubing sized for standard 18650 batteries. Each tube has a flat width of 29.5 mm, an inner diameter of 18.5 mm before shrinking, and a length of 72 mm. The material shrinks at 80 °C with a 48 ± 5 % rate and is rated for 300 V across a -40 °C to +105 °C range.

Suited for Rewrapping and DIY Insulation

Hobbyists and technicians who need to replace damaged wraps on 18650 packs or add insulation to tool handles will find the 12-colour assortment practical. Users requiring tubing for larger cell formats or higher voltage ratings must look elsewhere.

Critical Spec: 18.5 mm Pre-Shrink Inner Diameter

The tube must slide over the cell before heating, so the 18.5 mm inner diameter determines fit. Verify your battery diameter is smaller than this value; otherwise the wrap will not install correctly.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 96% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameUnique Bargains

Questions about this item

How do I confirm the wraps have shrunk correctly after heating?

Heat the tubing to 80°C until it shrinks 48±5% around the 18650 cell, leaving a smooth, tight fit with no gaps or wrinkles.

What comes in the package and what must I supply?

The kit includes 240 PVC wraps in 12 colours, each 29.5 mm flat width, 18.5 mm inner diameter and 72 mm long; you need a heat gun or similar 80°C heat source.

Which size should I choose for standard 18650 cells?

The 29.5 mm flat width, 18.5 mm inner diameter and 72 mm length are sized for 18650 batteries and rated 300 V from -40°C to 105°C.

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