Avoid Car and power problems on the road with this powerful slim power bank with a whopping 30,000mAh capacity! Get the peace of mind on the road to deal with the car not starting, no jumper cables, and no way to jump-start your car. You don't have to go through all the hassles when you have the Jump Starter with you! The 30,000mAh of power-packed Jump Starter is slim, powerful, and portable. This power bank has enough capacity to charge your car, but also charge your handheld devices.