Instruct: Classify a given review into positive or negative sentiment.
Query: A good idea a poor outcome

I bought this charger having lost my verizon charger thinking that it was a great deal for the price. It certainly was a great price but the outcome has been less than possitive. I have to shake the charger for a few minutes until it begins to charge the phone. After that I have to place it down very carefully lest it stop charging. Then sometimes it startes and stopes charging randomly for a while... it is very annoiying.