Intelligent Universal Wall Travel Charger for Cell Phone PDA Camera Li-ion Battery with USB Port Fit Mobile phones, Digital cameras, Mp3 Mp4 players, Hand held gaming devices, PDAs and many more rechargeable lithium-ion batteries at 3.7 volts Automatically stop charging when fully charged,.LCD screen indicates connection and full charge. Input: AC 100-240V 50/60Hz Output: DC 4.2V 800mA, USB Port Output: DC 5.2V 1300mA (USB) Just compatible with 3.7 Volts Batteries, Not for 3.8V or 4.2V!!! Otherwise, the battery can not be filled Universal LCD Battery Charger for LG VX8100 VX8300 LGIP-A1700E