The Halfords Advanced Lithium Jump Starter 2L is a portable and lightweight power bank with a capacity of 6000mAh. It features a peak of 400Amp, suitable for jump-starting vehicles. The set includes a user manual, charging cable, and clamps for convenience. Additionally, the jump starter has an LED light and a USB charger, making it practical for emergency situations. Overall, this product from Halfords provides a reliable solution for jump-starting cars and charging devices on the go.