DIY Free Welding 18650/21700 Battery Aluminum Power Bank Kit 5V 2A Type C Fast Charging Battery Storage Case Box

Product feature:

1. Type C interface requires no welding installation, making DIY assembly simpler and more convenient

2. Supports 1 18650/21700 battery, flexible adaptation to multiple battery types

3. Provides 5V2A fast charging, high charging efficiency, and saves time

4. The aluminum alloy shell is sturdy and durable, with good heat dissipation performance and a stylish and beautiful appearance

5. Built in overcharge, overdischarge, and short circuit protection to ensure safe and reliable use

Product Parameters:

Compatible battery: Flat head single cell 21700 battery or single cell 18650 battery (not included in shipment)

Color: Black, Silver, Gold, Red (free choice)

Material: Aluminum alloy

Output: 5V/2A

Power: 10W

Package List:

Welding free battery box * 1 (style optional)