Features: 18650 battery case with built in overcharge, over discharge, and short circuit protective ensures safe operational while offering effortless easy installation for quick battery replacement. Crafted from ABS, this lightweight battery holder feature construction and compatibility with most 18650 lithium ion cell. Ideal for outdoor enthusiasts, electronics hobbyists, and industrial professional requiring power solution for flashlights, portable tools,equipment. Perfectly suited for environments like camping trips, workshops, or backup systems where secure battery storage and accessibility matter most. Optimize your device with this drop resistant battery enclosure designed to maintain stable connection while resisting daily wear and tear. Specifications: Component:ABS Size:Approx.9.5x4cm/3.74X1.57inch Package Includes: 2Pcs 18650 Battery Case note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.