A:AnswerHad no problems going through airport security with it. I "think" they are looking for rechargeable batteries of a certain size (or a few specific ones). Others I traveled with said they never had issues with their portable chargers with TSA.
A:AnswerDoesn't charge my iPhone x extremely fast but it does charge at a normal/acceptable rate. Good for just daily use. I wouldn't use it for a fast charge tho as there are faster portable chargers. Still recommend it for the price.
A:AnswerDepends upon what the connector to your Mate 20.
The battery's connector port is USB B and will charge the battery just fine.
But to use the battery to recharge my USB C phone, for example my phones with this battery is not a problem I simply must use my own USB C cable.
A:AnswerIve gone about a month without using it and it seemed to worked liked a brand new fully charged one.my s7 phone stays charged for 8hrs and still have 75% power left over,thats with heavy phone usage streaming etc.
