It means "charger connected".

Estas conectado(for guys), conectada(for girls) en facebook?

Cargador conectado means that the battery charger is connected.

I usually translate this as "en línea". The English term "online" is also used; in some contexts (for example, "My friend is online right now"), you might also use the term "conectado" (which means "connected" - i.e., my friend is connected right now).

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h ttp s : //yaz ing . com /de al s/ver iz on/Bran donJh oan

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