Material and protection: Made from ABS, this battery case provides impact resistance, heat resistance, and electrical insulation to keep a standard 18650 lithium battery safe in a range of conditions. Compatibility and fit: Designed for a single standard 18650 lithium battery, ensuring a secure and proper fit. Storage and performance: Enhances battery storage by securely housing the cell, helping to maintain power cell performance and organization. Portability and convenience: A builtin portable handle allows easy transport, making it suitable for onthego use, outdoor activities, travel, or organizing a workspace. Use scenarios: On the go: Carry a protected 18650 cell in a bag or backpack for quick replacement and safe transport. Outdoor activities: Use during camping or hiking to keep a reliable power source protected and portable. Home or workspace: Keep a spare 18650 neatly stored and readily accessible on a desk or in a workshop.