21700 Battery Terminal Insulator Rings - White - 20pcs
4.5 (1,234)
Sold 100+ last 30 days
20% off first order
$1.49
Color
Black
Quantity
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Quantity
1
Description
21700 Battery Terminal Insulator Rings – White (20pcs)Overview
The 21700 Battery Terminal Insulator Rings are high-quality protective rings designed to insulate and reinforce the positive terminal of 21700 lithium-ion batteries. These heat...
Reviews
4.6
17 ratings
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A required item for building battery packs
S
Steven · December 21, 2025
I'm very happy! Professional seller with fast shipping. Top products with great prices. Highly recommended!!!