Product Name: Upgraded Version with Digital Display 12V Car Jump Starter Model NO.: X4 Output Voltage: 19V Battery Type: Lead-acid Certification: CE Transport Package: Carton Origin: China Product Description Specification:Product NameCar Jump StarterCapacity8000mAhModelX4Power of Starting the Car:12VCapacity:29.6WHDimensions:163*85*26mm5V/2.1A QC3.0USB output:5V/2.1A QC3.0Charging method:TYPE-CStarting current:300AMaximum current:600A (3S)Cycle life:1,000 timesOperating temperature:-20ºC-60ºCStarting displacement:gasoline 4.0L, diesel 2.8TLWeight:350g(bare metal)/ 630g(Set weight)Master Carton size:720*240*240cm, 20sets/cartonCompany Profile:Shenzhen Maixinda Intelligence CO., LTD, was established in 2009, which is a profeesional manufacture and exporter. The factory is located in Bao'an district, Shenzhen, with convenient transportation access. We have cooperated with world wide customers more than 11 years. We are main producing cellpone accessories. All of our products comply with international quality standards. The factory is covering an area of 4000 square meters and have over 100 employees. An annual sales figure exceeds usd 30 billion.