To make sure you have a 100% authentic Efest product, each Efest battery and charger comes with a unigue authentication number.


Please enter your unique 16 digital authentication numbers without spaces via this link:Verify.

Notice: Any incorrect authentication number or no anti-fake label on your new battery/ charger, please return them to the retailer immediately.

Please kindly email us help@efestpower.com if there is any questions.