I'm not sure ori or fake or water.
In the box it says charger made in china,batteries made in japan.
performance wise i can say its good.i'm using it for remote control toys.
Anyone could give me advice, 2 days ago I try my Evo 8 performance.
From Gear 1 to Gear 2, then gear 2 to gear 3, I pedal like 6~7k RPM, suddenly I saw Malfunction Indicator Light show, I immediate change to gear 4...