The A1657H11 is the Anker MagGo 10,000 mAh 35 W power bank. It includes a built-in adjustable wireless charger for Apple Watch (up to 5 W) and supports charging via a USB‑C port or built-in USB‑C cable with power delivery (up to 30 W). When both the USB‑C cable and port are used together, the combined output reaches about 24 W. The device is flight‑approved and compact (≈ 95 × 51 × 32.4 mm) and weighs around 245 g. It features an LED display that shows remaining battery percentage and charging status. It also offers safety protections like overcurrent, overvoltage, and thermal control.