To make sure you have a 100% authentic Efest product, each Efest battery and charger comes with a unique authentication number.
Please enter your unique 20 digital authentication numbers without spaces via this link:Verify There are TWO types of verity label, new version stated from September 2015. If it can not be verified by yourself, please email to: help@efestpower.com, our customer service department will double verify it for you.


Please enter your unique 16 digital authentication numbers without spaces via this link:Verify. This version stated from 2022. If it can not be verified by yourself, please email to: help@efestpower.com, our customer service department will double verify it for you.
Notice: Any incorrect authentication number or no anti-fake label on your new battery/ charger, please return them to the retailer immediately.
  • New Version 2022
  • New Version
  • Old Version