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It amazes me how, nowadays, so many people buy something without reading the product description,
or without understanding how the item works to begin with, and then they slam the product with a bad review. Grow up and take responsibility for your own shortcomings instead of placing blame elsewhere!! This item performs exactly as described in the listing!
I rate thiis 9vDC unregulated 300 MA power cube 5 stars. i have purchased hundreds of these power cubes. I do not understand why someone would complain about these power cubes being unregulated, They are sold as unregulated and All Electronics even stated that the rated voltage is attained when the load presented to the power cube is at the rated current. I buy enough to get free shipping from the west coast to New York.