The DIY 18650 Power Bank Case lets you assemble your own portable charger in minutes — no tools, no soldering, no technical skills needed. Just snap in three 18650 batteries, and you've got a compact, reliable power source ready to charge your devices anywhere.
At just 40g and small enough to slip into a pocket, it's the backup charger that goes wherever you do.
Key Features
No-Solder Assembly — snap-in battery design, no tools or welding required
Fits 3 × 18650 Batteries — batteries not included; use your own for a custom capacity
3 USB Output Ports — charge multiple devices simultaneously
5V/1A Input & Output — compatible with standard USB chargers and devices
Ultra-Lightweight — only 40g, compact at 22 × 65 × 98 mm
4 Color Options — Black, White, Pink, and Sky Blue
What's in the Box
1 × Power Bank Case (batteries not included)
Perfect For
DIY enthusiasts, campers, travelers, and anyone who wants a lightweight backup charger they can customize with their own 18650 cells. Great for repurposing old laptop batteries too.
