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Overview

Stay powered wherever you go with the Charmast 20,000mAh Portable Charger. The built-in wall plug and charging cables make it easy to recharge the power bank and power compatible devices without carrying extra accessories. Its portable design is ideal for travel, work, and everyday use.

Charmast 20,000mAh Portable Power Bank – Built-In Wall Plug & Charging Cables, Black

Web Code: 20145953
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Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Built-In Cables & Wall Plug for Hassle-Free Charging: One portable charger power bank meets both charging and discharging needs —no cords or bulky adapters required. Say goodbye to tangled wires and lighten your load. The simpler, sleeter way to stay powered on the go. Perfect for flights, business trips, and daily commutes.

Powerful Folding Wall Plug：Universal US standard plug fits wall outlets seamlessly. It can be folded when not in use and doesn't take up much space. Works with 100-240V voltage—no adapter needed, airline-approved power bank perfect for business trips and global travel.

20W Fast Charging for Your Devices: Charge during lunch or coffee break. The Charmast Power Bank features 20W PD and 18W QC 3.0 fast - charging technology. Charge your iPhone 16 Pro Max from 20% to 60% in just 30 minutes, which is three times faster than a standard 5W charger. Say goodbye to battery anxiety.

Universal Compatibility: Features built-in cables for both Apple and Android devices. Supports low-current mode (5V/1A) for safe charging of earphones and portable fans etc, ensuring optimal battery health.

20000mAh High-Capacity Powerhouse: Keep your devices powered all day long. Charmast Power Bank offers up to 2.56 full charges for iPhone 16 Pro Max, 2.71 charges for iPhone 15 Pro Max, 1.55 charges for iPad 10th Gen, and 2.4 charges for Samsung Galaxy S24 Ultra.

What You Get: 20000mAh power bank *1, user manual*1, our 24-month support, and 7-day/24-h friendly customer service. If you have any problems, please contact us and we will solve them within 24 hrs.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Quebec
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.