BasAcc Portable Jump Starter (350A Peak 5V Car Battery Power Bank and 12000mAh Charger W/LED Indicator, Safety Protection) Perfect for 3.5L Gas Engines, Apple iPhone X / 8/8 Plus 7/7 Plus /6S Plus High Capacity: Can jumpstart a 3.5L gas engine up to 20 times with a single charge. Charging speed: 1 Amps per port. Capacity: 12000 mAh. Peak current in jumpstarting: 350 Amps. USB output: 5V2A. USB charge input: 5V1A. Fully charging time: 8 hours. Charge by cable, thus you no longer need an extra charger or adapter. Compact size: Ultra slim and stable internal Li-polymer rechargeable battery could be stored in your glove box even pants pocket. Convenient Design: Unlike other Jump starters require extra charger or adapter for charging. This jump starter can charge by normal USB cable. Smart LED indicator: Fully Charged - 2 Green & 2 Red Lights; 75% Charged - 1 Green & 2 Red Lights; 50% Charged - 2 Red Lights; 25% Charged - 1 Red Light. Safety Protection: Intelligent circuit design protects against over-heating, over-currents, over charging and short circuit. Note: Do not place the two clamps on the same spot simultaneously. Package includes: 1 X Jump Starter. 1 X Jumper Cables. 1 X Micro USB Cable. 1 X Welcome Guide. Comes with heavy duty clamps and cables. Operation temperature: -4 to 140 F. Start you vehicle engine and charge your electronic devices on the road with this tool now.