Product Overview
The Anker Power Bank (20,000mAh, 87W, Built-In USB-C Cable) is a high-capacity portable charger engineered for travelers, professionals, and multi-device users who need reliable power on the go. With a built-in USB-C cable and three output ports, it delivers fast charging for everything from smartphones to laptops, including MacBook Pro, iPhone 16/15 series, Samsung devices, and the Nintendo Switch. Designed for real-world use, it combines airline-approved capacity with rugged construction and intelligent power distribution to keep your essential devices running throughout the day.
Key Features
- 87W Max Fast Charging – Distribute up to 87W of total power across three devices simultaneously, with a single port delivering up to 65W. This enables rapid charging for power-hungry devices like a 14″ MacBook Pro, reaching 50% in under 40 minutes.
- Built-In USB-C Cable – The integrated cable eliminates the need to carry extra cords and is engineered for durability, enduring over 10,000 bends. Use it to charge an iPhone 15 Pro to 58% or a MacBook Air to 52% in just 30 minutes.
- 20,000mAh High Capacity – Provides extended power for multiple devices throughout the day. Ideal for long flights, workdays, or travel, and fully compliant with airline carry-on regulations.
- 3-Port Flexible Output – Features a built-in USB-C cable plus one USB-C and one USB-A port, allowing simultaneous charging of three devices. Perfect for powering a laptop, phone, and tablet at once.
- 65W Fast Recharge – Recharge the power bank itself in approximately 1.5 hours using a 65W PD charger, minimizing downtime and maximizing convenience.
- Broad Device Compatibility – Works seamlessly with MacBook Pro, iPhone 16/15 series, Samsung Galaxy devices, Nintendo Switch, and other USB-C and USB-A powered electronics.
Technical Specifications
- Capacity: 20,000mAh
- Total Output: 87W max
- Single Port Maximum Output: 65W (USB-C)
- Output Ports: Built-in USB-C cable + 1 USB-C + 1 USB-A
- Recharging Time: ~1.5 hours with 65W charger
- Dimensions: 6.2 × 2.89 × 1.02 inches
- Weight: 440g / 16oz / 0.97lb
- Model: Anker A1383 (PowerCore 20K)
Benefits & Use Cases
This power bank is built for busy professionals who rely on their devices throughout the day. Whether you’re commuting, traveling for work, or navigating a long flight, the 20,000mAh capacity ensures your phone, tablet, or laptop stays powered. The built-in USB-C cable makes it ideal for iPhone 15/16 users and MacBook owners who want to reduce cable clutter. It’s also perfect for vacation charging—pack it in your carry-on to keep cameras, gaming consoles, and phones charged during travel. The ability to charge three devices at once makes it a practical choice for families or shared workspaces.
Important Notes
Due to energy loss in battery cells and conversion circuitry (typically 30%–45%), the effective output capacity is approximately 11,000mAh to 14,000mAh. To estimate charges for your device, use the formula: (20,000mAh × 0.65) ÷ Device Battery Capacity ≈ Number of Charges. For example, a 3,500mAh device will receive about 3.8 full charges. Recharge time varies by charger and temperature; using a 30W PD charger at 77°F (25°C) takes around 4.5 hours. Always use a compatible PD charger for optimal performance. Includes: Anker Power Bank (20K, 87W, Built-In USB-C Cable), welcome guide, 18-month warranty, and customer support.
For those constantly on the move, this power bank offers peace of mind. Whether you’re heading to a conference, working remotely from a café, or taking a weekend getaway, you won’t have to hunt for outlets or worry about dead batteries. The high-capacity 20,000mAh battery is designed to keep multiple devices powered over extended periods, and its compact form factor—just 6.2 inches long and under a pound—makes it easy to slip into a backpack, briefcase, or carry-on bag without adding bulk.
One of the standout features is the built-in USB-C cable, which not only streamlines charging but also reduces the risk of losing a critical accessory. The cable is rigorously tested for durability, withstanding over 10,000 bends, so it holds up through daily use and travel wear. This is especially useful for MacBook and iPhone users who rely on USB-C for fast charging and data transfer.
When recharging the power bank itself, using a 65W or higher PD charger ensures the fastest turnaround—just 1.5 hours to full. This means less waiting and more time using your devices. Lower-wattage chargers will extend the recharge time, so pairing it with a compatible high-speed charger maximizes efficiency.
