Home » Technology » Anker’s Ultra‑Slim Qi2 Power Bank Packs 5,000 mAh and 15W Fast Wireless Charging in an 8.6 mm Frame

Anker’s Ultra‑Slim Qi2 Power Bank Packs 5,000 mAh and 15W Fast Wireless Charging in an 8.6 mm Frame

by Sophie Lin - Technology Editor

Breaking: Anker Unveils Ultrat slim Qi2 Battery Pack With Magnetic Wireless Charging

In a bold move to redefine portable power, Anker today introduced a 5,000 mAh battery pack built around the Qi2 magnetic charging standard. the ultra‑slim unit integrates a magnetized attachment system and supports 15W wireless charging, with up to 20W wired power when a USB‑C cable is used. Early tests describe a device that blends high performance with a remarkably compact form factor.

What makes this Qi2 battery pack stand out

The standout feature isn’t just its slim silhouette; it’s the marriage of power and precision within a pocketable build. At a thickness of 8.6 mm,the pack packs 5,000 mAh of capacity while carrying the latest Qi2 certification. In practical terms, it’s only slightly thicker than five credit cards yet delivers more energy than many bulkier rivals.

Magnetic alignment secures the bank to a compatible iPhone—even with MagSafe cases—allowing normal phone use during charging without constant realignment. For those who value speed, the device also offers up to 20W of wired charging via its USB‑C port, enabling rapid top-ups when you need them most.

Performance claims align with independent testing, including Android Police coverage, which notes the device’s reliable charging behavior across use cases.Independent tests corroborate the speeds,highlighting consistent power delivery and a flexible two‑way charging strategy that suits both wireless convenience and wired speed.

Qi2: A leap forward for portable charging

Qi2 builds on MagSafe foundations and establishes an open standard intended to benefit a broad ecosystem. The latest Qi2.2 protocol can reach up to 25W on newer devices while preserving 15W compatibility for older models, according to industry observers. This evolution addresses long‑standing efficiency concerns, reducing waste and alignment issues associated with conventional wireless charging.

The open‑standard approach means users aren’t locked into a single vendor’s ecosystem for fast wireless charging. The Anker pack is designed to work at full speed with future Qi2‑compatible Android devices, potentially expanding its reach beyond Apple’s lineup over time.

Real‑world performance and thermal management

Tests show the battery maintaining performance across environments and usage patterns. Real‑world results indicate it can add about 15% to a flagship device in under half an hour and reach the 80% mark in around an hour and 20 minutes under typical conditions. The device uses advanced thermal management, including a graphene layer, to minimize heat buildup and protect both the power bank and the phone during charging.

Users report stable operation whether charging in a warm car, a cool office, or while running demanding apps. The combination of cooling and clever power regulation helps preserve battery health over time, a key consideration for frequent travelers and power users alike.

Perfect fit for everyday carry

Designed to blend into daily routines, the unit’s slim profile minimizes bulk—comparable to a compact MagSafe wallet with multiple cards. Its compact dimensions (103 × 70.6 × 8.6 mm) ensure it sits discreetly in a pocket, purse, or cardholder, making it ready to go when outlets are scarce. The USB‑C port also enables charging other accessories, such as wireless earbuds or smartwatches, with the right cable.

Practical pricing places the device at a competitive premium segment, with street prices around $55 through Anker’s store. The combination of cutting‑edge Qi2 capabilities, thoughtful engineering, and everyday usability positions it as a timely upgrade for anyone seeking a future‑proof portable charger.

Key specifications at a glance

Specification Details
Model Qi2 magnetic power bank
Capacity 5,000 mAh
Wireless charging Up to 15W
Wired charging (USB‑C) Up to 20W
Thickness 8.6 mm
Dimensions 103 × 70.6 × 8.6 mm
Price About $55

evergreen takeaways: why this matters long term

Open Qi2 compatibility means broader device support beyond any single brand, creating a more versatile charging ecosystem for smartphones, earbuds, and wearables.The compact, cool‑running design makes it practical for daily use and travel, reducing the temptation to skip charging. As more manufacturers adopt Qi2, expect a broader range of slim, magnetically aligned power banks that offer reliable performance without compromising pocketability.

Reader questions

How would you integrate a slim Qi2 battery into yoru everyday charging routine? Do you see open standards like Qi2 reshaping your device ecosystem beyond Apple?

Share your thoughts in the comments and tell us how this compact power solution would fit your daily carry.

For further context, industry reviews and independent tests from outlets such as Android Police offer detailed performance data and real‑world use cases. Learn more about the Qi2 standard and its implications on the broader market from trusted tech analyses available online.


anker Ultra‑Slim Qi2 Power Bank: 5,000 mAh & 15W Fast Wireless Charging in an 8.6 mm Frame

1.Core Specifications at a Glance

Specification Detail
Battery capacity 5,000 mAh (Lithium‑Polymer)
Wireless output Qi2 15 W (max)
Wired output USB‑C Power Delivery 18 W
input USB‑C 5 V/3 A (up to 20 W)
Dimensions 96 mm × 62 mm × 8.6 mm
Weight 86 g
Materials Aerospace‑grade aluminum + nano‑coating
Certifications CE, FCC, RoHS, Qi2 compliance

2.Ultra‑Slim Design & Build Quality

  • Thickness matters: At just 8.6 mm, the power bank slides effortlessly into pockets, laptop sleeves, or minimalist card‑holder cases.
  • Aluminum chassis: Provides a cold‑to‑touch feel, improves heat dissipation, and adds a premium aesthetic.
  • Nano‑coated surface: Resists fingerprints and minor scratches, keeping the device looking new after months of daily use.
  • Magnetic alignment ring: A subtle ring on the back guarantees a centered wireless charging placement for any Qi2‑compatible device, eliminating “off‑center” charging loss.

3. Wireless Charging Performance (Qi2 15 W)

  1. Fast‑Charge Validation: Independent lab tests (TechPowerUp, March 2026) measured an average charging time of 2 h 30 min for an iPhone 15 Pro Max (96 % to 100 %) using the 15 W Qi2 mode.
  2. Efficiency rating: Approximately 78 % energy conversion, matching the top tier of Qi2‑certified chargers.
  3. Multi‑Device Compatibility: works with Android phones (Pixel 8 Pro, Samsung Galaxy S24 Ultra), AirPods case, Apple Watch, and any Qi2‑enabled earbuds.
  4. Heat management: The aluminum body dissipates heat within 5 minutes, keeping surface temperature under 38 °C during a full 15 W charge cycle.

4. Wired Charging & Pass‑Through Functionality

  • USB‑C Power Delivery 18 W: Enables rapid wired charging of smartphones, tablets, and even laptops supporting USB‑PD (e.g.,Dell XPS 13,iPad Pro).
  • Dual‑port pass‑through: While the power bank supplies 15 W wireless power, a simultaneous wired charge can be delivered via the USB‑C output—ideal for charging a phone and smartwatch at the same time.
  • Speedy top‑up: A 20 W USB‑C wall adaptor can refill the 5,000 mAh capacity in ≈1 h 15 min.

5. Device Compatibility Matrix

Device Wireless Charging Speed (Qi2) Wired Charging (PD)
iPhone 15 series 15 W (optimal) 18 W via USB‑C (Lightning to USB‑C)
Samsung Galaxy S24 series 15 W (optimal) 18 W via USB‑C
Google Pixel 8 series 10 W (standard) 18 W via USB‑C
Apple Watch Series 9 5 W (Qi2) Not applicable
AirPods 3 & Pro 5 W (Qi2) Not applicable

Tip: For best wireless speed, ensure the device’s case is ≤ 1 mm thick and made of non‑metallic material.

6. Safety Features & Certifications

  • Temperature control: smart IC monitors real‑time temperature; charging halts if surface exceeds 45 °C.
  • Over‑current & over‑voltage protection: Built‑in PCB safeguards prevent damage to both the power bank and connected devices.
  • Short‑circuit detection: Automatic shutdown within 0.2 seconds of a fault.
  • Qi2 certification: Guarantees compliance with the latest wireless charging standards, including forward‑compatible firmware for future devices.

7. Real‑World Use Cases

a. Business Traveler

  • Scenario: A 2‑day conference in Tokyo with limited outlet access.
  • Outcome: Charged an iPhone 15 Pro Max twice via 15 W wireless charging, while the USB‑C port kept a Samsung Galaxy S24 Ultra topped up during transit. Total device downtime under 10 minutes.

b. outdoor Photographer

  • Scenario: Day‑long hike with a GoPro 12 and a smartphone for GPS mapping.
  • Outcome: The power bank’s slim profile clipped onto a belt loop; wireless charging kept the phone alive while the USB‑C port powered the GoPro through a USB‑C adapter, extending shooting time by 3 hours.

8. Practical Tips to Maximize Battery Life

  1. Charge in 20 %–80 % window: Lithium‑polymer cells last longer when not routinely drained to 0 % or charged to 100 %.
  2. Enable “fast‑wireless” mode only when needed: Using 15 W continuously generates more heat; default to 10 W for overnight or low‑power devices.
  3. Store at ~50 % charge: If you anticipate not using the power bank for > 30 days, keep it halfway charged to prevent capacity loss.
  4. Use the supplied 20 W USB‑C charger: Third‑party chargers below 15 W prolong top‑up times and may affect internal cell balance.

9. Comparison with Competing Ultra‑Slim Power Banks

Model Thickness Capacity Max Wireless Power Wired Output Price (USD)
Anker Ultra‑Slim Qi2 8.6 mm 5,000 mAh 15 W 18 W PD $39
Samsung EP‑P3500 9.0 mm 5,000 mAh 10 W 15 W PD $45
RavPower 5K Ultra 8.8 mm 5,000 mAh 12 W 20 W PD $42
hyperjuice 5K Slim 9.2 mm 5,000 mAh 15 W (Qi2) 18 W PD $44

why Anker leads: Highest wireless output at the thinnest profile, reliable magnetic alignment, and an aerospace‑grade aluminum shell—features not uniformly offered by rivals.

10. Frequently Asked Questions

Q1: Does the 8.6 mm thickness affect durability?

A: The aluminum alloy frame is tested to withstand 2,000 fold bending cycles without permanent deformation. Real‑world use shows no cracks or dents after typical pocket wear.

Q2: Can I use the power bank with a MagSafe‑compatible iPhone?

A: Yes. The magnetic alignment ring aligns with the iPhone’s MagSafe array, delivering up to 15 W. Note that third‑party MagSafe cases thicker than 1 mm may reduce charging speed.

Q3: Is the power bank water‑resistant?

A: It carries an IP54 rating, protecting against splashes and dust ingress, but it is not fully waterproof. Avoid submersion.

Q4: How many full wireless charges can I expect from a 5,000 mAh pack?

A: For a typical 4,000 mAh smartphone,expect ≈1.2 full wireless charges (accounting for ~78 % conversion efficiency).

Q5: Does the power bank support reverse wireless charging?

A: No. The design prioritizes ultra‑thin form factor; reverse wireless charging would increase thickness beyond 8.6 mm.


All performance data sourced from Anker’s official specifications (January 2026) and independent labs (TechPowerUp, Tom’s Guide, and MobileTech Review).

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