18650 Power Bank Case with Dual USB Output and Night Light DIY Battery Storage Box

Transform your 18650 batteries into a portable power bank with this dual-output storage case featuring a warm LED night light and a tech-inspired transparent shell. Designed with both Mini and Type C input options, this DIY case allows you to create a versatile backup charger for phones, tablets, flashlights, and small electronics. Compact and lightweight, it’s perfect for travel, emergencies, or everyday carry.

(Batteries not included.)

Key Features

• Holds 3× 18650 batteries for long-lasting portable power

• Dual USB output for charging two devices at once

• Mini and Type C dual-input design for flexible recharging

• Built-in warm LED night light for emergencies or bedside use

• Transparent shell with a modern, tech-style look

• Compact and lightweight for easy travel

• Ideal for DIY power bank projects

Why Choose Our 18650 Power Bank Case

This case gives you full control to build your own affordable, high-capacity power bank using 18650 batteries. The dual USB output keeps multiple devices powered, while the LED night light adds convenient visibility in dark environments. Its transparent shell offers a stylish modern profile, making it both functional and visually appealing.

Perfect For

• DIY portable charger projects

• Travel, camping, and emergency backup power

• Charging phones, earbuds, flashlights, and small electronics

• Users wanting a customizable and rechargeable power solution

• Everyday carry power bank builds