Q1 Q2 is overpowered and can't be carried on the plane.
Q4 378wh
Q3 189wh 
Q5 99wh not over power
Q1-Q4 are overpowered and can't be taken on the airplane.
Q5 can be taken on the airplane, but the use time is shorter, 1 hour.


Product Parameters:

Product Model:Classic version Q3

Length of use: 3 hours

Rated power: 180W

Air supply flux: 52L / per minute

Diving depth: Max diving depth of 10m

Battery capacity: 40000mAH

Product Model: Enhanced version Q4

Length of use: 5.5 hours

Rated power: 240W

Air supply flux: 56L / per minute

Diving depth: Max diving depth of 15m

Battery capacity: 80000mAH

Both Model Product weight: 5.8kg

Both Product Specifications: 27.5 * 19 * 17.5cm