18650/21700 Battery Charger Adapter DIY Power Bank Free Welding Power Bank Case Box With LED Flashlight

Specifications:
Input voltage: DC5V 2A/PD
Fast charging output voltage: 5V2.4A/ 9V2A/ 12V1.4A
Battery capacity: 10000MAh (according to their own use of battery capacity)
Product color: White, Black(Optional)
Product material: ABS surface non-slip sun pattern processing

Features:
1. Can be disassembled and assembled at will, simple battery replacement
2. A variety of interfaces with free choice, more convenient to use
3. Applicable battery models 18650/18700/20700/21700 lithium batteries, flat/pointed/fully compatible
4. Fast charging speed and stable performance, you can easily renew the devices
5. The on/off key click to show the remaining power, long press to open the flashlight
6. Products with reverse connection protection does not burn the motherboard, as long as there is a battery is correctly assembled can work, the use of over-voltage and over-current protection circuits, the use of safer

Product List:
1x Free Welding Power Bank Case

Warm reminder:
Single section of the two sections of the universal, installed a section can also be used, two sections can also be used; capacity can be free to choose to mix the batteries, installed the reverse battery IC immediately protected from burning the motherboard, as long as there is a battery is correctly assembled to work!