Description (Except Gemini): * USA Standard and ONLY Fit VTUVIA E-Bikes * MODEL: KYLC109V55N * INPUT: AC110V-240V-2.5A MAX 47--63HZ * OUTPUT: DC54.6V--2.0A Note: * They are not universal, please select the charger model for your ebike model. * ONLY suitable for our VTUVIA E-Bikes, return, refund and exchange are NOT acceptable. * Serious Reminder: Please use the VTUVIA dedicated charger to charge, and do not use other products.