Black Car Charger For AT&T LG Encore Loading current:650-900mA Short circuit current:600-1200mA Input voltage:12-24V, Output voltage:4.85-5.15V Length of the Cable: 8 feet, Cable diameter: 3.5 mm IC(34063): Wide voltage operation range, operation from 3.0 V to 40 V Input; Low Standby Current, the output current have the function of restricting loading and over loading protection, it will avoid the damage to the mobile phone or charger; Output Switch Current is high to 1.5 A, you can adjust the output voltage (in 5V-12V); Frequency operation is high to 100 kHz, the inside base reference voltage is precision 2%.