High-Capacity Fast Charging: Promate Bolt-20PD 20000mAh Ultra-Slim Power Bank - Black Stay powered on the go with the Promate Bolt-20PD 20000mAh Ultra-Slim Power Bank - Black , a sleek and portable charger designed for smartphones, tablets, and USB-C devices. With a 20000mAh lithium-polymer battery, it delivers multiple full charges—up to 5 for an iPhone 14 or 3 for a MacBook Air—keeping you connected during travel or busy days. The 20W USB-C Power Delivery port charges compatible devices to 50% in about 30 minutes, while the 18W USB-A Quick Charge 3.0 port powers Android devices like Samsung Galaxy S23 equally fast. Dual outputs enable simultaneous charging of two devices, and adaptive charging technology ensures safe, optimized power delivery with protection against overcharging, overheating, and short-circuits. At just 15mm thick, its lightweight, aviation-grade aluminum body slips easily into pockets, making it ideal for commuters, students, or adventurers needing reliable, high-speed charging in a stylish, compact package. Key Features 20000mAh High-Capacity Battery: Provides up to 5 iPhone 14 charges or 3 MacBook Air charges—perfect for extended trips or heavy usage, as noted for its longevity. 20W USB-C Power Delivery: Charges USB-C devices like iPhone 15 or iPad Pro to 50% in 30 minutes—four times faster than standard 5W chargers, per promate.net. 18W USB-A Quick Charge 3.0: Powers Android devices like Samsung Galaxy S22 to 80% in 35 minutes—delivers rapid charging for QC-compatible devices, per citycenter.jo. Dual-Device Charging: Simultaneously charges two devices via USB-C and USB-A—eliminates the need for multiple chargers, ideal for phones and earbuds, as highlighted by Amazon.ae. Ultra-Slim 15mm Design: Lightweight aluminum body—fits in pockets or bags, blending portability with durability, praised for its sleek aesthetic by promatejordan.com. Adaptive Charging Technology: Optimizes power output for connected devices—protects against overvoltage, overcurrent, and overheating, ensuring safety, per mkateb.com. LED Battery Indicator: Four LED lights display remaining capacity—provides clear, instant feedback on power levels, a user-friendly feature per promate.net. Specifications Feature Details Dimensions ~150 x 68 x 15 mm (Approx.) Weight ~400g (Approx.) Battery Capacity 20000mAh Battery Type Lithium-Polymer Input (USB-C) 5V/3A, 9V/2A (18W Max) Output (USB-C) 5V/3A, 9V/2.22A, 12V/1.67A (20W PD Max) Output (USB-A) 5V/3A, 9V/2A, 12V/1.5A (18W QC 3.0 Max) Total Output 20W Max (Shared) Ports 1x USB-C (Input/Output, Power Delivery), 1x USB-A (Output, Quick Charge 3.0) Charging Time ~6-8 Hours (via 18W USB-C Input) Material Aviation-Grade Aluminum, ABS Plastic Safety Features Overcharging, Overvoltage, Overcurrent, Overheating, Short-Circuit Protection Compatibility USB-C/USB-A Devices (iPhone 14/15, Samsung Galaxy S23/S22, iPad Pro/Air, MacBook Air, Huawei, OnePlus, etc.)