What volt charger should I get for my MacBook? It is a DC to AC inverter?

Hi, I recently purchased a inverter charger that has an outlet to charge a computer and can be used as a typical USB charger for a phone. The charger says that it has a continuous charge of 120V but a maximum of 150V. I don't understand what the problem is though because on the MacBook charger it says that it's intake is 100-240V and all of the other outputs and inputs match the specifications for the charging device. A normal phone charger that you can plug into the wall worked in this charger, so is it the computer or the charger? And also if it is the computer, what voltage amount should I get? Thank you very much!

Your Macbook charger will specify the number of watts it uses (very fine print somewhere on the charger brick).  Your inverter MUST be able provide at least that much power, or I'm guessing your Macbook charger would have problems.

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