The HOCO J136B Sirui is a 30,000mAh high-capacity power bank built for multi-device fast charging. It delivers 22.5W on both USB-A ports and PD 20W via Type-C, supporting popular protocols (QC3.0/FCP/SCP/AFC/PD) for broad compatibility with Android and iPhone. Dual 18W inputs (Type-C/Micro-USB) make recharging convenient, while the LED digital display shows remaining power and fast-charge status at a glance. A sturdy ABS+PC flame-retardant casing and li-polymer cells round out a reliable pack for travel, office, and emergency use.