General Vaping Discussion

So, now i got new job that i need to live and work 28 days a month for many hours at the field with very bad consitons...
So i need to but a new vaping mod and tank so i can use it and not buy a new one evry other day...
It must have a strong battery life (gonna buy as many batteries as i need to maintain at least 7 days without charging)
Anyway, i like vaping mtl so i am not gonna need the strongest device in terms of voltage...
Thanks for helping guys

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