LG Internal Battery G2 Original OEM - Non-Retail Packaging - Grey The LG BL-T7 Internal Battery for the LG G2 is exactly what you need. Is your LG G2 not powering on or having problems keeping a charge Maybe it's time to replace the battery This OEM Li-Ion Polymer 3000mAh battery will power your LG G2 so you can stay connected and take advantage of the LG G2's advanced features.