Genuine GoPro Volta. Battery Grip / Tripod / Remote Controller ＜Excerpt from the official website＞ ・When combined with the built-in battery and GoPro, you can record 4K30 video for over 5.5 hours. ・Battery capacity: 4900mAh ・Input: 5V/3A (15W max) ・Output: 5V/2.4A (12W max) ・Input/Output type: USB-C ・Charging time: 2.5 hours (when using a 5V/3A charger) The Volta itself has only been used once, so it's almost new and has no visible scratches or dirt. I have confirmed that the functions are normal, and the battery performance is also normal. The battery cover has some scratches due to normal use. Please understand that this is a used item. No comments are needed before purchase. You can buy it immediately. Accessories Volta body Charging cord Battery cover Hand strap Instruction manual Box Thank you.