To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
I needed a replacement but didn't want to pay extreme prices for a universal power supply. Found this one. Works perfectly fine. Feels cheap but works so I can't complain. It's only for using the laptop at home, so I don't need much from it.