DIY 3×18650 Power Bank Case with Dual USB Fast Charge & LED Light

Turn spare batteries into portable power whenever you need it. This 18650 battery charger case lets you build your own reliable power bank using three 18650 cells, giving you flexible, costeffective charging on the go. Designed for tech enthusiasts and practical users alike, this DIY power bank box features dual USB output and 5V 2A fast charging for phones, tablets, and small devices. With a builtin LED night light, its more than storageits a smart, multifunction travel companion. Key Features Supports 3 x 18650 lithium batteries (not included) Dual USB output for charging two devices simultaneously 5V 2A fast charge power bank case performance Builtin LED night light for emergency or outdoor use Compact, durable battery storage box design Why Choose Our DIY 3×18650 Power Bank Case with Dual USB Fast Charge & LED Light Unlike prebuilt power banks that lose capacity over time, this 18650 power bank DIY kit allows you to replace batteries as needed. Its costefficient, customizable, and ideal for users who already own compatible cells. The added LED light feature makes it practical for camping, travel, and power outages. Perfect For (Occasions & Uses) DIY tech projects and electronics enthusiasts Travel and daily commuting Emergency backup power at home Camping and outdoor adventures How It Works Insert three compatible 18650 batteries into the case, close the secure cover, and connect your device via USB. The LED indicator displays charging status, while the builtin light can be activated when needed. Product Specs Battery Type: 3 x 18650 lithium (not included) Output: Dual USB 5V 2A Features: LED night light, battery indicator Use: Portable charging and battery storage Build Your Power, Your Way Upgrade your charging setup with this DIY 3×18650 Power Bank Case. Add your own batteries, power your devices anytime, and enjoy flexible energy wherever life takes you.