Your phone is only as good as how long you can use your battery. Don't settle for a brick when you can extend your power with ZeroLemon LG Nexus 4 Juicer Removeable Battery Case Freely carry extra batteries with you and swap out removeable battery packs whenever you need it. Do not need to be afraid of losing power ever again. All products comes with 100% Zero Lemon Promise : no more worries of defects as we will do 1 to 1 exchange for all products not working as expected or you want to return