- Zendure: Originated from one of the most successful external battery projects on Kickstarter. Trusted by hundreds of thousands of fans worldwide. Join the Zendure experience today. QC 3.0 Technology: Support Qualcomm quick charge 3.0 to provide the fasstest possible charge up to 18W per port. Style & Compact: One of the industry's smallest ever USB car chargers, featuring two USB ports and an LED light for after dark. Dual USB Ports: Dual smart USB ports quickly and easily identify yours mobile devices, to provide optimal charging efficiency.