Dual USB 8x18650 DIY Power Bank Shell Case

Build a custom power bank around the batteries and setup you want.

Keep your devices charged with a DIY shell made for eight 18650 cells and dual USB output.

Build a power bank that fits your charging needs

✅ Create a custom charging setup that matches your project or daily routine

✅ Use eight 18650 cells for extended power in one assembled case

✅ Charge more than one device type with dual USB output at the top

✅ Check charging status fast with built-in LED indicator lights

✅ Open the case again when you want to replace parts or adjust the build

✅ Keep your setup organized with clearly defined internal battery slots

The shell gives you a simple way to turn compatible cells into a personal power solution. It is made for DIY use, so you can shape the final setup around your own charging needs instead of relying on a fixed design.

With support for eight 18650 batteries, this case is built for larger-capacity builds. The dual USB ports sit in an easy-to-reach position, so plugging in phones, lights, or other small devices stays straightforward.

Ready access makes charging feel simpler in daily use.

Stable mounting points support a cleaner DIY build.

Defined slots keep the battery layout organized.

Fast assembly gets your custom power bank ready sooner.

Top-mounted ports keep connections close at hand.

More connector options make your setup more versatile.

LED indicators give you quick charging status at a glance.

Precise alignment keeps each cell sitting securely.

The detachable cover makes upgrades and battery changes easier.

The finished case stays together as one travel-ready unit.

A slim side profile fits neatly into bags and kits.

All ports stay easy to reach when you need them.

A balanced base keeps the shell steady on flat surfaces.

Included screws simplify a secure assembly.

The internal module supports dependable power delivery.

A compact circuit keeps output regulation organized.

Safe packaging keeps the shell protected before assembly.

Build the charging setup you want and keep your devices powered with less hassle.