This is the second charger I have purchased, first from the ChargerBuy Store. I previously purchased a cord - on I was assured would work with my Acer Aspire5 C55t-A. Well, it sort of worked for a few days, then it just didn't. The device just did not fit into the port properly. I felt like MacGyver most days, working harder than I should have just to get my laptop charged to 50%. I finally gave up, went back to the old charger, got a tiny bit more life out of it, then had to put the laptop away because I had no way of charging the device. I was about to buy another laptop when I decided I would try one more time and find a charger that truly fit. Thank goodness I came across the ChargerBuy Store. The new charger allowed me to keep using my Acer, saving me quite a bit of money. Thank you, ChargerBuy Store! You guys are legit!