batteries on the plane

Are power bank s allowed on the plane in Medellin?
https://celulares.mercadolibre.com.ve/accesorios/cargadores/power-bank/power-bank-2600mah
The little battery packs you can use to recharge you camera or phone. They sellthem on the streets in Colombia for $4 and charge $35 in san Diego. I bought a 2600mah and a 5000mah power bank for cop 20,000 from a hand cart in Medellin. before I go to the store and buy the nice one with 2 charging ports for cop 30,000, I want to know if they are regulated or limited at the airport?

They are allowed in carry on.

Domestic flights within Colombia are much less restricted than international flights

I am flying to lax from Medellin. So, what about powerbanks on international flights? Sorry if I failed to explain myself the first time.

They went unnoticed at airport security. 2,800 and 5,000 mah batteries are allowed through, or so it seems.

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