2 Slot 18650 USB Power Bank Battery Charger Case DIY Box

Specifications:

1. Battery Type: 2 × 18650 Li-ion (not included)
2. Input: DC 5V (Micro USB or Type-C, depending on model)
3. Output: DC 5V 1A/2.1A (varies by load)
4. Case Colors: 1 Black, 1 White
5. Display: LED indicator lights for battery status
6. Protection: Overcharge, over-discharge, short circuit
7. Material: Durable ABS plastic
8. Size: Approx. 96 × 43 × 22 mm
9. Weight: Approx. 40g per unit

Description:

This dual 18650 DIY power bank case allows you to create your own portable charger using two rechargeable 18650 batteries. Compact and lightweight, it supports USB output to charge mobile phones, MP3s, or other USB devices. Each set includes two cases – one black and one white – ideal for customizing or distinguishing power banks for different devices.

Applications:

1. DIY Power Bank Projects
2. Emergency Phone Charging
3. Travel Charging Solution
4. Reusing Old 18650 Batteries
5. Compact Backup Power Supply