18650 DIY Power Bank Case

18650 DIY Power Bank Case – 8-Cell Battery Storage Box

Build your own portable power bank with this versatile 8-cell 18650 battery holder. Designed for DIY enthusiasts, this compact storage box supports dual USB output and PD fast charging, making it perfect for charging your smartphone, tablet, or other devices on the go.

Key Features

• Fits 8 x 18650 batteries – compatible with standard 18650 rechargeable cells
• Dual USB + PD output – charge multiple devices simultaneously
• Compact & portable – lightweight design ideal for travel and outdoor use
• Digital display – shows remaining battery level (display numbers appear white on the physical unit)
• Secure snap-lock design – sturdy buckle closure keeps batteries safely in place

Specifications

• Model: 8 x 18650 Battery Holder
• Type: Battery Storage Box / Power Bank Shell
• Weight: 108g

Please note: This is a snap-lock enclosure — once fastened, it cannot be reopened. Batteries are not included.