Aideepen | DIY Power Bank Box Flat Head Battery Charger Outer Case USB Output Ports Plastic Shell Box Power Bank Case

Description:1. Made with premium materials for guaranteed quality2. Kit includes power board + power housing + spring-loaded metal plate3. Stable performance, accommodates 1-2 3.7V 18650 lithium batteries (compatible with both flat and pointed terminals)4. User-friendly design with dedicated circuitry featuring reverse polarity protection. Batteries can be inserted freely; incorrect orientation won't damage the board. Normal operation requires only one correctly installed battery.5. Compact size and sleek appearance for easy portability.Product Specifications:Output USB Port: 5V 2AInput Type-C Port: 5V 2APackage Contents:Power Bank Kit *1