Product parameters Product name: multi-function car emergency start mobile power supply. Battery type: polymer lithium core. Power supply size: 165 X 79 X 40 mm. 1 set weight: about 1.2kg, 10 sets of one box size: 58*23*29.5CM. Capacity: 16800 mah Rated input: 12V/1A. Rated output: 5V/2A; 12 v / 2 a; 16 v / 3.5 A; 19 v / 3.5 A; The 12V/300A car starts the output. Starting current: 300A peak current: 600A charging time: 3H. Protection function: it has short circuit, overcharge and over-discharge protection function. Accessories list: fire line *1, home filling *1, car charger *1, 1, 4 mobile phone adapter *1, computer adapter *8, English manual *1, toolkit *1. Packing: in English. Function: 12 v car emergency start, LED lights, lighting, blasting flash, SOS), the other for mobile phone, tablet PC, MP3, MP4, digital camera, notebook, PDA, handheld games, charging machine learning, and other products.