Anker Power Bank 25K (165W, Built-In and Retractable Cables) Review: An Advanced Battery

Anker Power Bank 25K: A Traveler's Best Friend?

The Anker Power Bank 25K boasts a compelling combination of power, portability, and convenience, making it a strong contender in the crowded portable battery market. This 25,000mAh power bank delivers a maximum 165W output, all within a surprisingly compact design. Its standout feature? Two integrated USB-C cables – one retractable, the other doubling as a hand strap. Priced at $100, is it worth the investment? Let's delve into the details.

Built-in Cables: Ingenious, Yet Imperfect

The integrated USB-C cables are undeniably clever. The retractable cable neatly tucks away, eliminating cable clutter. The magnetic end adds a thoughtful touch, preventing it from dangling. The inclusion of a second, longer (8.5-inch) USB-C cable, functioning as a hand strap, initially seems beneficial for multiple device charging. However, this hand strap proved less practical in use; its clasp proved unreliable, often unhooking itself. A magnetic closure for this cable would significantly enhance its usability.

Despite this minor drawback, the availability of two integrated cables, plus an additional USB-C and USB-A port, allows for simultaneous charging of up to four devices.

More Than Just Cables: A Useful Display

Beyond the innovative cable system, the Anker 25K features a valuable information display. This screen provides real-time data on battery percentage, input/output power, individual port usage, battery health, and temperature. While the temperature reading is interesting, its practical application is limited. The power bank does exhibit thermal throttling under heavy load (e.g., charging two MacBooks simultaneously), resulting in reduced charging speed after cooling down. This is a common limitation in high-power portable batteries.

Despite this, the charging speed and capacity are generally impressive, capable of quickly replenishing multiple devices thanks to its 165W power distribution across four ports. A single port offers 100W of power (for compatible devices). Anker claims it can charge an iPhone 16 four and a half times from empty.

Should You Buy It?

The Anker Power Bank 25K is a valuable asset for frequent travelers and remote workers. Its high power output, compact size, and integrated cables significantly reduce the hassle of carrying multiple chargers. While the hand strap cable's design could benefit from improvement, the overall functionality and convenience justify the $100 price tag, especially considering its competitive pricing within the market.

Anker 25K Power Bank (165W, Built-In and Retractable Cables)

Rating: 8/10

Price: $90 (Amazon) / $100 (Anker)

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