1 Slot USB Power Bank Case 18650 Battery Charger Case DIY Box with Key Chain

Specification:

• Type: 1-slot battery power bank case
• Compatible Battery: 18650 lithium-ion
• Input: USB 5V
• Output: 5V DC
• Capacity: Based on installed battery
• Features: Built-in keychain
• Material: Durable plastic shell
• Design: Compact portable charger
• Application: DIY power bank solution
• Assembly: Simple battery installation

Description:
The 1 Slot USB Power Bank Case is a compact DIY solution for creating a portable charger. Compatible with 18650 lithium-ion cells, it provides stable 5V output for charging smartphones and gadgets. The built-in keychain allows easy portability, while the durable plastic casing protects the battery. With a lightweight and practical design, this charger case is ideal for everyday use, travel, and hobby projects.