Thin Car Jumper Power Bank Kit

12V 10000mAh Multi-Function Car Jump Starter Power Booster Battery Charger FSS.
A battery pack made to power your favorite devices and give you a much needed jump start when your car battery fails you.
A built-in 20000mAh battery can charge your smartphone up to many times while providing a Peak Cranking Power of 12V.
Battery Capacity: 20000mAh Dimensions: 14 x 8.7 x 1.5cm.
Support for: Emergency starting of 12V car.