Multi-Function Storage, Simplified. Whether you're organizing batteries, travel gadgets, or daily tech tools, this set of 6 clear storage boxes is built to simplify your life. Originally designed to hold 26650 batteries, each box also fits other common sizes like 21700 and 18650, making it perfect for flashlight enthusiasts and DIY users. But it's more than just a battery box – store memory cards, charging cables, wired earbuds, USB drives, pills, small screws, or travel items with ease. The transparent shell helps you see contents at a glance, while the snap-tight lid keeps everything secure. Keep one at your desk, toss another in your backpack, or stash a few in your toolbox — a practical solution for smart, simple storage.