Peak Current:1200 A Conversion Rate:70%~80% Battery Capacity(mAh):10000-12000 External Testing Certification:ce,UL,ROHS,FCC Number Of Built-in Batteries:3 Origin:Mainland China Product Name:Baseus Super Energy Pro+ Car Jump Starter 1200A Black Battery Capacity:12000mAh/ 44.4Wh Rated Output Capacity:7200mAh (5V/3A) Energy Transformation Ratio:75% Net Weight:About 600g