It works exactly as it should. For everyone on here going crazy because it melted let me say one thing, COMMON SENSE PEOPLE. You should know not to leave something PLASTIC plugged in for 24 hours !!! Come on now what did you expect?? That’s like leaving your muffins in the oven for 24 hours and then blaming LOWES for your muffins catching fire and burning your house down. No matter how good a charger is you are NEVER EVER supposed to leave them plugged in for longer than an HOUR it is a fire hazard and it clearly states that on the box !!! I can’t believe I even have to tell you this🤦♀️ Be smart use it as directed and it will do its job !! “ oMg I LeFt It PlUgGeD iN FoR 3 DaYs StRaIgHt AnD iT BURNED MY HOUSE DOWN HoW DaRe AmAzOn SeLl SoMeThInG sO DaNgErOuS! Maybe amazon should re-evaluate their buyers mental state before selling to you because some of you guys just have zero common sense.