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Overview

The Anker PowerCore 20100 is a high-capacity portable charger with a 20000mAh battery. It can fully recharge a smartphone multiple times, making it ideal for travel, business trips, and outdoor activities. Anker's PowerIQ technology automatically detects connected devices and delivers the fastest possible charge speed. Despite its large capacity, the PowerCore 20100 remains relatively lightweight and compact, offering reliable power for everyday use and emergencies.

Connectivity & Compatibility

The PowerCore 20100 features two USB-A output ports, allowing simultaneous charging of two devices. Each port can deliver up to 2.4A, with a combined maximum of 3A. It is compatible with a wide range of USB-powered devices, including smartphones, tablets, Bluetooth headphones, and more. Charging the battery itself is done via a Micro USB input port, supporting up to 2A input. The included Micro USB cable can be used with any standard USB wall charger or computer. PowerIQ and VoltageBoost technologies ensure fast charging for both Apple and Android devices.

Product Info

Released in 2015, the Anker PowerCore 20100 has become a long-selling classic in the portable charger market. It is priced around $25–$30, positioning it as an entry-level to mid-range product with excellent value. Anker offers an 18-month warranty (extendable upon registration). The package includes the battery, a Micro USB cable, and a user manual. It is widely available on and at major electronics retailers. The PowerCore 20100 stands out for its balance of capacity, reliability, and affordability.

Best Use Cases

Frequent Travelers: Ideal for long flights or train rides where you need to keep your phone or tablet charged. With 20000mAh, you can fully recharge a typical smartphone 5–7 times. Note that power banks must be carried in hand luggage, not checked baggage. Outdoor Enthusiasts: Perfect for camping, festivals, or hiking trips where AC power is unavailable. It can keep multiple devices running for days. However, it is not waterproof or dustproof, so protect it from the elements. * Business Professionals: While it cannot charge laptops (USB-A only, 5V/3A max), it serves as an excellent backup for smartphones, mobile Wi-Fi hotspots, and Bluetooth accessories during business trips. Its lightweight design (approx. 356g) makes it easy to carry in a briefcase or backpack.

Product Disclosure (Amazon)

  • Manufacturer: ウエスタンデジタル(Western Digital)
  • ASIN: B07YFGQLYK
  • Note: This article covers a manufacturer-made product based on Amazon listing details.