Specifications: Material: High-Quality ABS Plastic (Flame Retardant) Compatibility: 18650 Lithium-Ion Batteries (18mm diameter) Battery Configuration: Single Cell Holder, suitable for 1x 18650 battery Dimensions: 20mm (L) x 20mm (W) x 10mm (H) Weight: Approximately 2g per piece Features: Snap-fit design for secure stacking, uniform spacing, and improved airflow between batteries Temperature Resistance: Up to 100°C
