IC Chip inside to make sure it does not over charge your phone. Takes about an Hour to charge your phone. You can talk on your phone while it is charging too.Fits These LG Phones:

AX145, Aloha, UX140, 200C, AX490, AX355, UX355, VX5300, UX245, AX245, AX390, UX390, LX550 Fusic, VX8300, VX3400, VX3450, UX210, LX350, VX9800 V, PM225, VX3300, 3280, VX8100, VX5200, VX6200, VI125, MM535, PM325, VX4700, VX4650, AX4750, UX4750, VX6100, VX8000, VX7000