Features:
1.Type C interface welding-free installation, DIY assembly is easier and more convenient
2.Support 1 section 18650/21700 battery, flexible to adapt to a variety of battery types
3.Provide 5V2A fast charging, high charging efficiency, save time
4. Aluminum alloy shell is durable, good heat dissipation performance, fashionable and beautiful appearance.
5. Built-in overcharge, overdischarge, short circuit protection, to ensure the use of safe and reliable!

Parameter:
Adaptable battery: flat head Single 21700 battery or single 18650 battery (not included in the shipment) Color: black, silver, gold, red (free choice)
Material: aluminum alloy
Output: 5V/2A
Power: 10W

Package include:
Solder-free battery box *1 (style of your choice)