The ANKER SERIES 5 521 NANO PRO 40W CHARGER A2038K21 is a powerful dual-port USB-C wall charger engineered for fast, efficient, and safe charging. Designed to deliver a maximum output of 40W, it can charge two devices simultaneously—making it ideal for smartphones, tablets, and even lightweight USB-C laptops. Built with Anker’s advanced ActiveShield safety system, the charger continuously monitors temperature to prevent overheating and protect your devices. Despite its high power output, the charger remains compact and travel-friendly, fitting easily into any bag or outlet. The ANKER SERIES 5 521 NANO PRO 40W CHARGER A2038K21 is an essential charging solution for users who value speed, safety, and convenience.
Key Features Section
Dual USB-C Output: Provides 2 x 20W charging ports for simultaneous fast charging
High-Speed Charging: Supports Power Delivery for rapid charging of smartphones, tablets, and USB-C laptops
Compact and Portable: Lightweight design ideal for home, office, or travel use
Advanced Safety System: ActiveShield technology monitors temperature and power in real time
Universal Compatibility: Works with iPhone, iPad, Samsung Galaxy, Pixel, and other USB-C devices
Technical Specifications Table
| Feature | Details |
|---|---|
| Product Name | ANKER SERIES 5 521 NANO PRO 40W CHARGER A2038K21 |
| Model | A2038K21 |
| Battery Capacity | Not applicable |
| Charging Time | 50% in approx. 25 minutes (device dependent) |
| Connectivity | Dual USB-C |
| Dimensions | 38 x 34 x 30 mm |
| Warranty | 18 Months Manufacturer Warranty |
FAQ Section
Q1: Can this charger power two devices at full speed?
Yes, each port can deliver up to 20W, allowing efficient dual-device charging.
Q2: Is this charger compatible with iPhones and Android phones?
Yes, it supports both iOS and Android USB-C fast charging protocols.
Q3: Does it come with USB-C cables?
No, the charger is sold without cables. Compatible USB-C cables are available separately.
Q4: Is it suitable for travel use?
Yes, its compact size and wide voltage support make it ideal for travel.
Q5: What protection features are included?
It includes Anker’s ActiveShield for temperature control, overload protection, and short-circuit prevention.




























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