"NANO V-lock Battery (50Wh)
D-tap Output: 14.8V
USB A Output: 5V/2.4A, 9V/2A, 12V/1.5A
USB C Output/Input: 5V/2.4A, 9V/2A, 12V/2A, 15V/2A, 15V/2A, 20V/2.2A
Micro USB Input: 5V/3A
Compatible with V-lock charger and cellphone USB charger"
No Restriction by Air, By IATA rules , Every passenger can carry max 20pcs on Board in carry on luggage.