Features: This 18650 battery storage case features a universally compatibility design, accommodating 2x18650 or 4x18350 batteries while also supporting CR123A/17670 models. Its PP construction provides 30% better visibility for quick battery checks, ideal for photographers and outdoor adventurers needing mixed battery storage solution. Engineered with PP. The precisions slots securely hold various battery types, having passed 1.5m drops tests to protect batteries during outdoor activities like hiking and cycling. Designed for active users, it offer single handed operations with anti slip textured lid for 5 second quick access. The ergonomic size enables easy blind operations during night rides, while the clear case prevents wrong battery placement in labs or studios. Supports storage of 6 battery types including 18650, 18350 and CR123A models. The slot systems maintains proper battery separation, preventing short circuits during transport in backpacks or equipment bags for photographers and explorers. Each set includes high visibility battery organizers with secure latching mechanism. The impacts resistant case features precisely spaced compartments to keep different battery sizes properly aligned and protected during outdoor adventures or professional photography occasion. Specifications: Substance: PP Color: White/Green/Yellow/Blue Size: Approx. 3.07x1.65x0.83inch/78x42x21mm Package Includes: 10x 18650 Battery Storage Box note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.