Features: Enhances your power solution with our 18650 Battery Holder, design for flexible configurations to meet diverse power needs while ensuring secure and reliable battery stackings. Crafted from durability plastic, this holder offers robusts support structure with potential heat dissipation features to maintain optimals operating temperatures for your 18650 lithium batteries. Ideal for enthusiasts, DIY hobbyists, and professionals who require customized battery setups for their electronic projects or devices. Perfect for various environment, from home workshops to professional labs, where efficient battery management and maintenance is essential. Experience easy installation and removal, allowing for quick battery replacement or maintenance, making it indispensable accessory in the realm of battery storage solution. Specifications: Component:Plastic Hole Diameter:Approx.18.4mm/0.72inch Option Type:10pcs 1x2 Battery Holder,10pcs 1x3 Battery Holder,10pcs 1x4 Battery Holder,10pcs 1x5 Battery Holder,10pcs 1x6 Battery Holder, Package Includes: 10pcs 18650 Battery Holder note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.