1. Super capacity 16500mAh, which can jump start most of 12V gasoline and diesel cars , motorcycle and boat. 2. Provided with a special built- in equalizing charge to ensure a well balanced battery voltage when charging ,so our product can cycle use more times. Over charge, over discharge and short circuit protection system also were retained. 3. Provided with 12V/10A,19V/3.5A ports that can charge laptop and On-board electrical equipments, such as refrigerator, car TV etc. Becuase the biggest current of 12V port can reach 10A,so our product can suit more On-board electrical equipments than 12V/2A output used before. 4. Provided with jump starter function indicator to clearly show whether there is enough power to start a car 5. Provided with three input methods: 1) home charger 15V/1A. 2) car charger 15V/1A 3) USB charger 5V/2A, USB charge port for emergency charging. 6. Provided with double USB outputs 5V/1A for camera, MP3/4, PSP and suit for 99% smart phone, 5V/2.4A suit for tablet, can quick charge ipad. 7. Provided with double protection clamps and 8 AWG cable.