You've found LG Optimus S Battery and Portable Power (LG Optimus U, Optimus V). LG Optimus S Batteries provide additional battery power when charging your phone is not an option. Keep an extra LG Optimus S Style battery handy at home, at work and while traveling. Choose from standard, original, extended-size and extended-capacity LG Optimus S Batteries. Also find LG Optimus S portable power and backup batteries. You get Free Shipping on LG Optimus S / Optimus U / Optimus V Battery and Portable Power.