This portable, rechargeable bike LED power pack is USB-C PD compliant, supporting 5V-3A, 9V, and 12V. It offers two battery sizes: a small, powerful 7,600mAh capacity with 28WHR, and a large, robust 13,200mAh capacity with 49WHR. It extends the runtimes of compatible LEDs and serves as a backup charger for GPS units, mobile phones, or other USB-C devices. The compact design mounts securely to bars and frames using an adjustable Velcro strap, with an integrated 985mm/39" cable for easy access. Its IPX7 water-resistance rating ensures durability in harsh weather conditions. Compatible with various Lezyne LED lights.