Different Cooling Effect: Cooling Fan > Heat Sink > Aluminum Base for Heat Dissipation;
Quiet: Heat Sink > Aluminum Base for Heat Dissipation > Cooling Fan (The heat sink is slightly less effective than the built-in fan, but provides a quieter experience. )
NOTE: Please dont overload this power converter over 180W/15A, otherwise, your device wont work well and the power supply will be damaged very soon; It is normal for the converter to heat up when running for a long time or using high power equipment. If there is deformation or melting, please stop using it immediately.
Attention Note: If you receive a product with quality issues and choose to return it, please kindly mark it as unsellable to avoid and used one is resold again to other customers. Appreciate very much. If you received the wrong items, missed parts or package damage, we also are responsible for these problems and will provide new replacement or refund.