Slot DIY Power Bank Case with USB Type C and Dual USB Charging

Stay powered your way, wherever life takes you. This compact DIY power bank case lets you turn compatible 18650 batteries into a practical backup charger for phones and small USB devices. Built for makers, travelers, students, and everyday emergency prep, it offers USB Type C, Micro USB, and dual USB output support. It is a smart 18650 battery charger case for anyone who wants flexible, reusable portable power.

Key Features

• Holds 4 compatible 18650 lithium batteries, batteries not included
• 5V charging support with Type C, Micro USB, and dual USB ports
• Lightweight ABS shell for easy carrying in a bag, drawer, car, or toolkit
• Works as a portable phone charger and rechargeable battery storage box
  
  

Why Choose Our 4 Slot DIY Power Bank Case with USB Type C and Dual USB Charging
Unlike disposable backup chargers, this case gives you a reusable charging setup you can build around your own compatible cells. The dual USB design makes it easier to support more than one device, while Type C and Micro USB inputs add everyday convenience. It is simple, practical, and ideal for budget-conscious power users.

Perfect For
Travel, commuting, camping, emergency kits, DIY electronics projects, phone backup power, students, tech hobbyists, and practical gifts for gadget lovers.

Build Your Backup Power Today
Order your 4 Slot DIY Power Bank Case and enjoy a simple, reusable way to keep your devices ready when you need them most.