1. Over-current, over-voltage, over-load and over-temperature protection
2. Intelligent IC chip inside recognizes a full battery and automatically switch to a saver.
3. Environmentally friendly, energy-saving, complying with the safe certification standard
4. High working efficiency-over 90%, good charging performance
5. Stronger performance, lower cost
6. Feature of 5V 3.1A dual USB Car Charger