How can i charge my macbook pro with a inverter

how can i get my macbook pro to charge using a inverter sometimes it will charge and sometimes it wont works fine when plugged into a ac outlet in my home

pennbank wrote:
The macbook has to be in sleep or shutdown mode if using an inverter
more possible fixes here
https://discussions.apple.com/thread/3026063?start=0&tstart=0
Although that may be true with some inverters it is not for all of them. If the inverter can get enough power to invert you can run a power saw off them, depending on the size of the inverter.
Problems start because people buy the lowest cost unit they "THINK" will work based on the printed specs when in fact they need a bigger unit.

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