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

Specifications:

1. Battery Slot: 1 × 18650 (battery not included)
2. Input: DC 5V (Micro USB)
3. Output: 5V 1A
4. Includes: Keychain loop for portability
5. Color: Random or Black (customizable)
6. Material: ABS Plastic
7. Dimensions: Approx. 95 × 24 × 22 mm
8. Weight: Approx. 32g
9. Indicator: LED status light
10. Safety: Overcharge & short-circuit protection

Description:

This portable DIY power bank case with keychain is ideal for on-the-go mobile charging. Insert a single 18650 battery to convert it into a backup power source for your iPhone, Android, MP3 player, or USB gadgets. Great for travel, EDC, and emergency use.

Applications:

1. Portable Emergency Charger
2. Daily Carry Backup Power
3. DIY Electronics Gift
4. Power Supply for USB Gadgets
5. Travel Companion

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