Rating 4/5 i bought this for my son's...was too short that came with...of caution is not to leave...car (even though it wasn't plugged...left it plugged into the car...without starting the car and it...user error. i didn't hear any...very inexpensive and served it's purpose...

Rating 5/5 I bought 50 of these for...workers who use their laptops while...now charge their laptops and phones...1/2 the cost. Three months...

Rating 3/5 it works, ok.