Portable 12V DC Power Sources/Rechargeable Roadside Emergency System Jump start car/vehicle run/charge laptops, notebooks, mobile, PDA and digital devices etc output On/Off switch Charging & charged LED indicators AC adapter allows charging from any standard 100~240V outlet Heavy-duty cables and clamps grip to top or side terminals Color available: Blue,Green,Purple Light and small portable device that can easily be kept inside vehicle if battery problems continue High Quality, Durable, Good Value, Environmentally Friendly! =================================================== Battery Pack Cell type: Li-ion Capacity: 20Ah Voltage: 12V