Compact 30W premium power bank with built-in USB-C cable 10000 mAh White A1688H21 Anker

Short description

Anker A1688H21 is a modern and well-designed external power bank featuring a built-in USB-C cable that offers maximum convenience and mobility.
With its 10000 mAh capacity, 20 W Power Delivery fast-charging support, and compact form factor, this model is the perfect companion for work, travel, or daily use.
Built on advanced GaN (Gallium Nitride) technology, it provides excellent energy efficiency, minimal heat generation, and extended lifespan.

Key features

• Built-in USB-C cable — eliminates the need for extra wires; designed for both device charging and data transfer.

• High 10000 mAh capacity — enough for two to three full smartphone charges.

• Fast charging up to 20 W (Power Delivery 3.0) — delivers quick and stable power for smartphones, tablets, and other USB-C devices.

• Additional USB-C port (Input/Output) — allows charging of two devices simultaneously.

• Smart Voltage Detection — automatically adjusts voltage output to match the connected device.

• MultiProtect™ safety system — protects against overheating, overvoltage, overcurrent, and short circuits.

• Premium design — matte white finish with smooth edges and durable, ergonomic casing.

• Compact and portable — lightweight build for easy carrying in a pocket, purse, or travel organizer.

Technical specifications

• Model: A1688H21

• Brand: Anker

• Type: Power bank with built-in cable

• Capacity: 10000 mAh (36 Wh)

• Input (USB-C): 5 V ⎓ 3 A / 9 V ⎓ 2 A

• Output (USB-C / cable): up to 20 W (5 V ⎓ 3 A, 9 V ⎓ 2.22 A)

• Additional port: 1 × USB-C (Input/Output)

• Charging time: approx. 3 hours with 20 W charger

• Material: ABS plastic with UV coating, flexible TPE cable

• Color: White

• Dimensions: 10.5 × 5.5 × 2.5 cm

• Weight: 190 g

• Certifications: CE, FCC, RoHS

• Technologies: PowerIQ 3.0, VoltageBoost, GaN Fast

Why buy / what makes it different

Anker A1688H21 is an excellent choice for users who want a compact, powerful, and versatile power bank.
Unlike standard models, it features a built-in USB-C cable for maximum ease of use—no extra cords required.
Its 20 W Power Delivery capability allows you to charge an iPhone 15, Samsung Galaxy S24, or Pixel 8 to 50 % in under 30 minutes.
The built-in MultiProtect™ safety system ensures stable voltage control, overheating protection, and optimized current distribution, extending both the battery’s and your device’s lifespan.
Thanks to GaN components, power conversion is more efficient, keeping the unit cool even during intensive charging.

Compatible with:

• Smartphones (Android / iPhone / Huawei)

• Tablets and e-readers

• Bluetooth headphones, smartwatches, cameras, and other gadgets

Its compact size and integrated cable make it a reliable everyday or travel companion.

Included in the box

• 1 × Anker A1688H21 Power Bank

• 1 × USB-C to USB-C charging cable

• User manual and safety guide

Package details

• Width: 11 cm

• Height: 17 cm

• Depth: 3 cm

• Net weight: 0.19 kg

• Gross weight: 0.25 kg

About the brand

Anker is a global leader in charging technology and energy management solutions, specializing in power banks, charging adapters, wireless chargers, and mobile accessories.
Known for its quality, safety, and innovation, Anker products are trusted by millions of users worldwide.
The company’s philosophy — “Charge Fast, Live More” — reflects its commitment to delivering maximum charging speed, reliability, and everyday convenience through smart design and advanced technology.