RoyPow 400A Peak 8000mAh Portable Car Jump Starter & Battery Charger & Power Bank with Carrying Case & LED Flashlight & USB Charging Port Smaller but Stronger: Only 9.9oz weight, small enough to fit in your pocket or glove box, it can produce 200 amps of starting current up to 400 amps ( peak current), boost up to 3.5L gas/petrol engines at least 15 times after a full charge. Multi-Protection design: With mistake-proof technology, built-in the latest exclusive circuitry to guarantee anti-misoperation, Short-circuit Protection, Spark-Proof Reverse Polarity Protection, which allows it to be safely connected to any battery. 3 solutions in one light: Built in bright light with SOS and strobe mode. Safe and reliable Li-polymer battery: The pack is made of grade A cell with 8000mAh, up to 1000 cycles life, support the high efficiency of conversation and low power consumption, long storage time from 6-12 month after full charged. Smart & Fast Charge: Equipped with 2.1A USB output and AI technology, it intelligently identifies your device and provide the fastest charging way. 5V/2.1A USB input(unlike most jump starters), you can recharge this gadget everywhere by any common USB device, such as car charger, USB adapter, notebook USB port, no special charger or adapter required.