For iphone 4 battery 1.OEM accept 2.T/T,Western Union,Paypal 3.CE ROSH FCC 4.Timely delivery For iphone 4 batteryThanks for ... using it ,and keeping properly for your looking up specification Battery type: Lithium batteryProduct number : TB021Size: 126.7mm*63.3mm*16 ... % power2. swith the power to “ON” , Iphone insert to the battery can discharging the power More details,please feel free to ...