Best quality Overvoltage Protection Relay for the MacBooks (Late 2009-Mid 2017) (MAX9940AXK+: U6900: SC70-5).
Overvoltage protection is a power supply feature that shuts down the supply, or clamps the output, when the voltage exceeds a preset level.
If your Overvoltage Protection Relay is not working properly then replace it with our part for Macbook
All parts tested and working find.
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