Compact and lightweight charger ideal for fast paced commuters and outdoor enthusiasts. The Brunton Torpedo(TM) 2800 Charger efficiently charges your devices using high grade Lithium ION cells, giving your devices the extra power needed on long trips.FeaturesEfficiently charge your devices - uses high grade Lithium ION cells which charge quickly and last with no memory and minimal discharge.For fast paced commuters and outdoor enthusiasts - works with 12V power socket in your car.On-board lithium battery - charge in your car and take the charge with you when you go.Charge time - DC car socket: 2 to 3 hours - USB: 3 hours - AC/USB: 3 hoursLithium polymer battery: 2800mAhPower output: 1 AMPWeight: 135g