
Experience the fusion of power and portability with the Anker Power Bank (20,000mAh, 30W), designed to rapidly power up your tablets and smartphones. Equipped with an intelligent temperature monitoring system, it ensures safety by maintaining cool operation, well below international safety standards. Its high-speed charging is universally compatible, serving a variety of devices from leading brands such as Apple and Samsung. Encased in a compact, travel-friendly design, this cutting-edge technology provides access to quick charging wherever you go.
Q: What is the capacity of this Anker power bank?
A: This power bank has a capacity of 20,000mAh.
Q: What type of battery does this power bank use?
A: This power bank uses a Lithium-ion battery.
Q: How many USB-C ports does this Anker power bank have for output?
A: This power bank has 2 USB-C ports for output.
Q: Is this power bank compatible with Apple and Samsung devices?
A: Yes, it is compatible with a wide range of devices, including those from Apple and Samsung.
Q: What is the maximum power output of this Anker power bank?
A: This power bank supports fast charging up to 30W.
Q: How does the Anker power bank ensure safe charging?
A: It uses an intelligent temperature monitoring system that keeps the temperature at least 10% below international safety standards.
A: Yes, the Anker Nano Charger (30W) can be used to charge the Anker 20,000mAh 30W Power Bank. This power bank supports power input at 5V ⎓ 3A, 9V ⎓ 3A, 12V⎓1.5A, 15V⎓2A, and 20V⎓1.5A, up to 30W. Using an Anker Nano II 30W PD wall charger is highly recommended for optimal charging performance.
Q: Is this Power Bank TSA compliant? Can I take it on an airplane via carry-on?
A: Yes, the Anker Power Bank (20,000mAh, 30W) is TSA compliant and can be taken on an airplane via carry-on luggage. Power banks with a battery capacity lower than 100 watt-hours (Wh) are permitted on airplanes, and your power bank fits within this guideline. Ensure the power bank is placed in your carry-on luggage, as power banks are not allowed in checked luggage. You can verify the battery's power capacity on the label located at the bottom of the battery. It is recommended to check with your airline prior to your flight, as rules might vary or change over time.
Customers find value in the Power Bank (20,000mAh, 30W)'s fast charging speed, long battery life, and convenient portability. The power bank's high capacity and overall performance are also appreciated, along with its design and helpful LED power indicator. However, some customers have noted its weight and size, while a few have experienced issues with the port quality.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

Experience the fusion of power and portability with the Anker Power Bank (20,000mAh, 30W), designed to rapidly power up your tablets and smartphones. Equipped with an intelligent temperature monitoring system, it ensures safety by maintaining cool operation, well below international safety standards. Its high-speed charging is universally compatible, serving a variety of devices from leading brands such as Apple and Samsung. Encased in a compact, travel-friendly design, this cutting-edge technology provides access to quick charging wherever you go.

The Energizer 10,000mAh SLIM METAL 20W Magnetic Wireless PowerBank is a slim, travel-ready charger that delivers fast and reliable power wherever you go. With 15W wireless charging and 20W total output, it keeps your devices powered quickly and efficiently. Strong magnetic alignment ensures a secure fit for MagSafe-compatible smartphones, keeping your device firmly in place while charging. Its ultra-slim metal body measures just .62 inches thin, making it lightweight and easy to carry. Smart protection prevents overcharging and short circuits, while the LED indicator lets you check battery status instantly. Compatible with smartphones, tablets, earbuds, and more, it includes a USB-C cable for added convenience.

Experience the convenience of portable charging with the Anker Nano Power Bank, featuring a built-in USB-C cable for effortless connectivity. With a 10,000mAh capacity and 30W bi-directional fast charging, power up your devices or the bank itself in record time. Its compact design, made from 80% recycled materials, makes it an eco-friendly choice for on-the-go energy. Included is a welcome guide, a 24-month warranty, and access to Anker's friendly customer service, ensuring a seamless power experience wherever you are.

This ultra-lightweight, ultra-slim 10,000mAh power bank is 25% smaller and 15% lighter than others, making it a breeze to carry. In just 30 minutes, it powers your iPhone 16 Pro Max to 75%. Plus, it can charge three devices at once, perfectly catering to your on-the-go lifestyle. Plus, you are also back up with industry-leading 3-year warranty!
| Pros for Anker - Power Bank (20,000mAh, 30W) - Black | |||
|---|---|---|---|
| Charging Speed, Battery Life, Portability, Overall Performance, Capacity | Charging Speed, Portability, Overall Performance, Battery Life, Size | There were no pros for this product— | Portability, Charging Speed, Overall Performance, Battery Life, Size |
| Cons for Anker - Power Bank (20,000mAh, 30W) - Black | |||
| Weight, Size, Port Quality | Magnetic Strength, Heat Dissipation, Connectivity | There were no cons for this product— | There were no cons for this product— |