DIY 16 Slot 18650 Battery Holder Power Bank Case for Mobile Charging Projects

Build your own high-capacity power bank with ease. This 18650 battery holder case is designed for DIY enthusiasts looking to create a reliable, portable charging station. With 16 slots for 18650 batteries, it offers flexibility and extended runtime—ideal for powering multiple devices or long trips off the grid. Whether you're building a backup battery or a custom mobile charger, this kit provides a solid foundation for power on your terms.

Key Features

• Holds up to 16 standard 18650 lithium batteries (not included)

• Durable shell protects internal components and batteries

• Dual USB output ports for charging phones, tablets, and more

• LED power indicator lets you track battery status easily

• Ideal for DIY power bank builds, emergency kits, and mobile energy projects

Why Choose Our DIY 16 Slot 18650 Battery Holder Power Bank Case for Mobile Charging Projects
Unlike generic power banks, this DIY power bank case gives you full control over battery configuration and output. It’s made for makers, tinkerers, and anyone who wants a cost-effective way to create a personalized, expandable power solution. The 16-slot design sets it apart from smaller kits, giving you longer runtime and better backup potential.

Perfect For (Occasions and Uses)

• DIY tech builders or repair hobbyists

• Off-grid travelers or campers needing long-lasting backup power

• Preppers assembling emergency energy storage

• Anyone seeking to repurpose 18650 batteries for daily mobile charging

Build Power That Works for You
Whether for everyday convenience or weekend projects, the DIY 16 Slot 18650 Battery Holder Power Bank Case delivers flexibility, control, and serious charging potential—right in your hands.