With standard removable replacement phone batteries, you can replace your aging battery affordably to return your cell phone battery life to its original glory. They say that nothing lasts forever. Unfortunately, that applies to smartphone batteries as well. We carry standard replacement batteries for LG, and Samsung devices including LG G3, G4, V10 and Galaxy S3, S4, S5, Note 2, Note 3, Note 4. Carry an extra backup phone battery so that you can swap out a dead battery for a fresh one in seconds.