Anker Power Bank with Built-in USB-C Cable and Lanyard (10,000mAh, 22.5W USB-C Charging) – A1257H21 – Black

The Anker A1257H21 Power Bank combines high-speed charging, ultra-compact design, and everyday convenience in a sleek and portable package. Engineered for modern mobile lifestyles, this 10,000mAh power bank features a built-in USB-C cable, a practical lanyard for on-the-go use, and PowerIQ 3.0 technology for fast and safe charging. It’s the perfect pocket-sized solution for anyone who needs reliable power anywhere—at home, work, or on the move.

Product Features

22.5W High-Speed Charging

Delivers fast Power Delivery charging, powering an iPhone 15 up to 55% or a Galaxy S23 up to 40% in just 30 minutes. Stay connected with speed when it matters most.

10,000mAh of Portable Power

With a capacity of 10,000mAh, this power bank provides up to 2 full charges for an iPhone 15 or 1.8 charges for a Galaxy S23, ensuring extended usage wherever you are.

Built-in USB-C Cable with Lanyard

Forget carrying extra cables. The integrated USB-C charging cable doubles as a durable lanyard, offering fast, hassle-free charging anytime, anywhere.

Ultra-Compact and Lightweight

Sized smaller than a deck of cards and weighing just 6.4 oz, this power bank fits effortlessly into pockets, bags, or even small pouches for true portability.

Smart Digital Display

The built-in LCD screen displays real-time battery status and output levels so you can monitor charge levels at a glance.

Advanced Charging Technology

Equipped with Anker’s exclusive PowerIQ 3.0 and VoltageBoost technologies, this power bank ensures efficient, high-speed charging across a wide range of USB-C devices.

Certified Safety

Anker’s MultiProtect safety system provides temperature control, surge protection, short-circuit prevention, and more to protect both the user and the device during charging.

Product Specifications

• Model: A1257H21
• Capacity: 10,000mAh
• Output Power: Up to 22.5W
• Ports: 2 × USB-C, 1 × USB-A
• Cable: Built-in USB-C cable with lanyard
• Display: Smart LCD
• Charging Technology: PowerIQ 3.0, Power Delivery (PD), VoltageBoost
• Dimensions: 2.4 x 3.6 x 0.9 in
• Weight: 6.4 oz
• Color: White
• Device Compatibility
  • iPhone 13 / 14 / 15 series and later
  • Samsung Galaxy S21 / S22 / S23 series
  • Google Pixel 6 / 6 Pro / 7 / 7 Pro
  • HUAWEI Mate / P series
  • iPad mini / Air / Pro series
  • MacBook Air / Pro (2021–2023)