8x18650 Universal 5V Dual USB 18650 Power Bank Battery Box Mobile Phone Charger DIY Shell Case For Smart phone
 
Description:
Press and hold the switch for 5 seconds to convert to 2A display fast charge (support 2A), dual USB output 5V1A, 5V2A foot voltage full current output does not hurt the phone, overshoot and over-discharge protection, full self-stop design, safe and reliable.
Mobile power welding-free nesting: can be equipped with 1-8 18650 lithium batteries, the circuit can work normally, the product itself does not contain batteries. Note, please do not use the 18650 battery for the flashlight.
 
Tips: 
Please install the battery positive and negative poles, the battery negative pole is connected to the spring, the battery positive pole is connected to the metal shrapnel; press the switch twice to control the LED highlight flashlight.
 
 Note: 
This kit does not include battery nesting = case + motherboard (free soldering)