Hello! I'm using an iPhone 6 plus and from my observation it's battery percentage decrease too fast compared to my father's. I use it for games like clash of clans and boom beach. Btw, i use extensions when charging my phone, is that not a problem? I use to short extensions which goes like this: Main Outlet -> Extensions -> Extensions (this is where I charge my phone) is doing that bad for the battery or not? Thank You!