The A121A offers the most sophisticated internal power architecture, employing adaptive load balancing. When utilizing two USB-C ports, the charger offers two optimal splits: 45W + 22.5W for general high-draw devices, or the crucial 60W + 5W configuration. Read more
The A121A
offers the most sophisticated internal power architecture, employing adaptive
load balancing. When utilizing two USB-C ports, the charger offers two
optimal splits: 45W + 22.5W for general high-draw devices, or the crucial 60W +
5W configuration. The latter configuration demonstrates intelligent laptop
prioritization, allocating substantial power (60W) to a high-demand device like
a MacBook, while ensuring a secondary, low-power device (e.g., earbuds or a
smartwatch) can still charge effectively.
Under maximum three-port load (C1 + C2 + A1), the A121A maintains a balanced distribution of 45W on the primary port, supported by 7.5W on each of the remaining ports. This 45W + 7.5W + 7.5W split confirms that the device is architecturally designed to sustain a demanding, dedicated laptop charging profile (45W) while distributing a respectable 15W across the remaining accessories without compromising the stability of the primary load.
| Specifications | Descriptions |
|---|---|
| Total Maximum Wattage (W) | 70W |
| Port Configuration (C/A/Other) | 2 USB-C / 1 USB-A |
| Max Single USB-C Output (W) | 70W (20V⎓3.5A) |
| Dual-Port Power Split (W) C1+C2 | 45W + 22.5W or 60W + 5W |
| Semiconductor Technology | Dual GaN Chips |
| Dimensions (mm/Volume Approx.) | 53 × 42.6 × 31.5 mm (71.3 cm³) |
| Weight (g) | 120 g |
| Unique Feature | Foldable AC Plug |
| Max USB-A Output (W) | 33W (UFCS support) |
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