1pcs Mini 18650/21700 Mobile Power Kits DIY Portable Charging Treasure Box No Soldering Tpye C Connector Fast Charging 5V 2A

Features:
1. Welding-free design: Tpye C interface welding-free installation, DIY assembly is easier and more convenient
2.Compatible with multiple types of batteries: support for 1 section 18650/21700 battery, flexible adaptation to a variety of battery types
3.5V2A fast charging support: provide 5V2A fast charging, high charging efficiency, save time.
4. Portable and lightweight: compact sleeve design, suitable for making small and portable DIY charging treasure
5. Multiple safety protection: 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 delivery) Color: black, silver, blue, red (free choice)
Material: aluminum alloy
Output: 5V/2.1A
Power: 10W

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