Universal Phone Emergency Charger Powered By 2pcs Normal AA Batteries Mini Portable Phone Power Bank With Micro USB/ Type-C Plug

Product instruction:

Use 2pcs 5#AA/7#AAA Battery,Or 5# rechargeable battery.
Built in protection circuit,when the AA battery used or the device charged full,it will stop charge by itself.
Input Voltage:1.5V-3V
Output Voltage:5V
Output Current:500mAh-1500mAh