18650 Cell Spacer 50Pcs 1X3 Cell Battery Stand Battery Plastic Holder Bracket

Secure Fit for 18650 Battery Spacer: An 18.4 mm / 0.72 inch diameter hole precisely holds each lithium battery, preventing shifting during assembly. This brings a stable and reliable experience to DIY enthusiasts building custom battery packs.Modular Edge Slots for Strong Connection: With a 21.75 mm / 0.86 inch total width per unit, the edge slots enable a firm link between cylindrical cell brackets, eliminating structural separation. Users can freely build a solid battery holder layouts for their tools.Effective Heat Dissipation Design: The open spacer structure creates air gaps between batteries, eliminating the heat buildup issue. This improves performance for battery spacer users working on high-drain projects like drones or power tools.Durable Plastic Material: Made from impact-resistant plastic, this battery holder withstands repeated assembly without cracking. It boasts stamping resistance, heat resistance, low-temperature resistance and chemical corrosion resistance with stable performance under complex working conditions. It provides long-term durability for hobbyists building reliable energy storage systems.Flexible 1x3 Cell Bracket Unit: The 9 mm / 0.35 inch thick single unit allows for freely taking apart and rearranging. This offers unlimited customization to DIY makers, ensuring their battery holder configuration matches any project requirement.