What type of battery is used by the GEGO? August 05, 2020 21:10 GEGO uses a 3.7 V lithium battery, with a capacity of 720 mAh, making it perfectly safe for flight travel. Related articles Can I use GEGO for flights? What about the Smart Luggage Ban from Airlines? Is GEGO compliant with the new FAA regulations about lithium batteries? GEGO PRO Charging cable How do I know my GEGO is being charged? What is the battery made off?