Specifications 
1.metal shell.                                             
2.can start 2000cc gasoline cars.                                            
3.start 1600cc car for 20 times everything fully charged.                                                       
4.Charge moblie.                                           
5.Support flash, strobe, SOS signal.              
6.Operation temperature:-20ºC-+85ºC
 
Ten futures of BR products.
1: car emergency start more than 20 times when fully charged
2: start the car immediately even in cold winter
3: bright lighting 60 hours
4: detonation flash 120 hours
5: SOS signal 120 hours
6: support laptop charge
7: support smart phone charge
8: 1\20 size of the old jump starter
9: 3 to 5 years lifetime
10: rechargeable, convenient(with home & car charge)