1 To 4 Slot 21700 Battery Case ABS Plastic And Metal Components 21700 Battery Holder For Electronic Devices

Features: Sturdy Construction: Made with ABS plastic housing and brass rivet connectors, this 21700 battery holder is flame resistant, heat resistant, and engineered for prolonged use in electronics projects with optimal conductivity. Easy Installation: Features spring loaded metal pins and base screw holes for quick setup, perfect for circuit modifications or creating various battery configurations without concentrated tools. Flexible Wiring preferences: Supports both parallel and series associations (1/2/3/4 slots) to deliver different power outputs (3.7V per cell) for PCB assemblies, robotics, or mobile power storage applications. Wide Compatibility: Designed to work flawlessly with 21700 batteries in electronic devices like digital displays, smart planners, and other low power gadgets requiring consistent energy delivery. Compact Storage Solution: Space saving black plastic casing provides secure battery containment while maintaining a lightweight profile for easy portability during electronics maintenance or prototyping work.

Specifications: Component: ABS Plastic+ Copper Length: approx. 83Mm/3.26Inch 21700 Battery holder box, 3.7V, 1/2/3/4-slot 3.7V series battery storage box, 1/2/3/4 slot black plastic battery box, suitable for 21700 batteries

Package Includes: 4Pcs 21700 Battery Boxes(1/2/3/4-slot each 1pc)

note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.