A.Product specification: 1.Battery capacity:15000mah (55.5wh) 2.Size:157*75*36mm 3.Weight:530g 4.Input:15v/1a 5.Output: 12v/10a (12v car electronics products) 5v/1a (cell phone) 5v/2a (tablet pc, digital devices) 19v/3.5a (laptop) 1w led light(light, burst flashing, sos) 12v jump starter 6.Start current: 250a 7. Peak current: 500a 8.Operating temp.: -20 -60 9.Lifetime: above 1000times B.Spare bom list : 1.Home charger :1pcs 2.Car charger:1pcs 3.Smart cable: 1pcs 4.Laptop adaptors : 1pcs 5.3 in 1 cell phone cable : 1pcs