Anker Nano MagGo Slim Review: Ultra-Thin Magnetic Power
Busy professionals balancing packed travel schedules need reliable mobile backup power that does not add excessive bulk to tailored pockets or slim commuter bags. If you are looking for an ultra-thin magnetic…
By Nicole Bellamy 9 min read
Anker Nano MagGo Slim
Anker
Good
4.2 out of 5
Average of 4,177 Amazon buyer ratings — not a score from testing of our own
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- 4,177
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- 11
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- Accessories & Peripherals
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Busy professionals balancing packed travel schedules need reliable mobile backup power that does not add excessive bulk to tailored pockets or slim commuter bags. If you are looking for an ultra-thin magnetic battery pack that delivers true fast charging without the brick-like weight of standard power banks, the Anker Nano MagGo Slim offers a compelling solution. Built around an exceptionally slender 0.3-inch profile and the modern Qi2 wireless standard, this accessory provides up to 15W wireless output directly to compatible MagSafe devices. Rather than serving as a multi-day emergency station, it is engineered specifically to extend daily battery life comfortably while your phone remains in active hand use.
In this detailed anker nano maggo slim review, we examine whether this anker ultra slim design provides sufficient capacity, thermal safety, and recharge velocity for high-mobility professional routines. We explore the real-world trade-offs of its compact 5,000mAh battery cell, analyze charging speeds across supported hardware, and assess how its advanced cooling hardware performs under continuous loads. The following sections detail what comes inside the box, the full anker ultra slim specs, core ergonomic factors, wired versus wireless charging capabilities, and alternative workstation accessories you might encounter when outfitting your mobile toolkit.
What You Get With the Anker Nano MagGo Slim
Unboxing the retail package reveals an intentional, clean setup designed to get mobile professionals powered up without unnecessary clutter. The listing details the following included items and support coverage straight from the box:
In the box
- Anker Nano Power Bank (5K, MagGo, Slim) in black
- USB-C to USB-C charging cable for power input and wired device output
- Welcome guide outlining basic operation and safety indicators
- 24-month warranty providing manufacturer coverage
- Customer service support access
Key Specifications
| Model Number | A1665 |
|---|---|
| Battery Capacity | 5000 milliamp_hours (Lithium Polymer) |
| Profile Thickness | 0.3 inches |
| Wireless Charging Standard | Qi2-Certified, MagSafe, Qi |
| Maximum Wireless Output | 15 watts |
| Maximum USB-C Output | Up to 20 watts |
| Port Configuration | 2 ports (USB-C interface) |
| Output Current and Voltage | 5 volts, 5 A amperage, 3 A output current |
| Battery Charge Time | 1.7 hours (100% recharge in 104 minutes) |
| Thermal Management | Graphene cooling with dual NTC chips (below 104°F) |
| Compatible Phone Models | iPhone 16, 15, 14, and 13 Series |
All 33 attributes from the listing
| Connector Type | USB Type C |
|---|---|
| Battery Capacity | 5000 milliamp hours |
| Other Special Features of the Product | Wireless Charging |
| Voltage | 5 volts |
| Power Source | Corded Electric |
| Amperage | 5 A |
| Number of Ports | 2 |
| Output Current | 3 A |
| Rapid Charging Performance | 100% in 104mins |
| Battery Charge Time | 1.7 hours |
| Compatible Devices | iPhone |
| Wireless Charging Standard | MagSafe, Qi |
| Output Wattage | 15 watts |
| Compatible Phone Models | iPhone 16/15/14/13 Series |
| Color | Black |
| Battery Cell Type | Lithium Polymer |
| Brand | Anker |
| Model Number | A1665 |
| Number of Items | 1 |
| UPC | 194644240752 |
| Manufacturer | Anker Innovations Limited |
| Number of Batteries | 1 12V batteries required. (included) |
| Mfr Part Number | A1665 |
| Warranty Description | our worry-free 24-month warranty |
| Best Sellers Rank | #210 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories) #17 in Cell Phone Portable Power Banks |
| ASIN | B0F8HXYD46 |
| Customer Reviews | 4.2 4.2 out of 5 stars (4,177) 4.2 out of 5 stars |
| Antenna Location | Phone |
| Item Dimensions L x W x Thickness | 4.02"L x 2.77"W x 0.33"Th |
| Unit Count | 1 Count |
| Item Dimensions | 4.02 x 2.77 x 0.33 inches |
| Battery Weight | 4.32 ounces |
| Special Feature | Wireless Charging |
Figures as published by the manufacturer on the Amazon listing.
Chassis Thinness and True Pocket Portability
The defining strength of this battery pack is its ultra-compact physical profile. Measuring just 0.3 inches in thickness, the chassis eliminates the bulky overhang and hand strain typical of older magnetic battery bricks. Traditional magnetic power accessories frequently double the total depth of a smartphone, creating an awkward slab that snags on suit pockets and weighs down trousers. By reducing the frame down to less than a third of an inch, the pack remains virtually flat against the handset, enabling users to comfortably handle phone calls, scroll documents, and type one-handed while charging.
Commuting professionals require gear that integrates seamlessly into tailored travel bags without demanding surplus room. Stowing this thin pack next to a slim professional ultrabook such as the asus zenbook s consumes virtually no measurable space in your messenger bag sleeve. The pack’s perimeter is proportioned so it does not obstruct the camera lenses on supported handsets, ensuring your phone rests naturally balanced across your fingertips. Its high-density lithium polymer composition provides this tight form factor without expanding into wider edges that could protrude awkwardly beyond standard phone cases.
However, prioritizing a 0.3-inch depth enforces a strict boundary on total battery capacity. Because the internal casing holds a compact 5,000mAh cell, this power bank serves as an agile daily companion rather than a high-capacity reservoir for week-long excursions. For mobile executives moving between airport terminals, client offices, and hotel lobbies, the featherweight profile removes the hesitation of carrying backup energy. You get emergency power ready at any moment without the inconvenient bulk of larger battery packs.
Wireless Qi2 Velocity Versus Wired Delivery
Understanding the power output of this anker 15w wireless power bank requires looking at the technological improvements delivered by the Qi2 charging standard. Early third-party magnetic battery packs were restricted to modest 7.5W wireless output when attached to Apple devices. As an official anker qi2 magnetic battery, this unit provides up to 15W of wireless charging. Laboratory data provided in the listing notes that this output is capable of taking an iPhone 16 Pro up to 25% in approximately 42 minutes, making it an efficient choice for quick mid-commute top-ups.
When charging time is of the essence, the unit also features wired functionality via its USB-C port. The port supports up to 20W max USB-C output, providing an accelerated charging rate when you need to recover substantial battery percentage before boarding a flight or stepping into a board meeting. The listing indicates two ports alongside a 5V/3A output current profile, giving travelers the freedom to choose between wireless convenience and faster corded performance. If you also carry compact digital accessories like the canon powershot g9x, having a capable USB-C port available ensures you can provide emergency power across multiple mobile tools.
Restoring the pack itself is equally efficient thanks to its modern charging circuitry. The listing specifies rapid charging performance that reaches 100% capacity in 104 minutes, translating to a complete recharge in roughly 1.7 hours. This swift replenishment window allows you to plug the charger into a wall outlet during a brief office stop or lunch break and have it completely filled for the evening. While wireless induction naturally loses some energy through magnetic dissipation, having access to both 15W Qi2 wireless output and 20W wired charging provides practical versatility for high-tempo workdays.
Thermal Dissipation and Surface Temperature Protection
Excessive heat buildup is one of the most common issues found in compact inductive chargers. When a magnetic battery pack becomes overly warm, the host smartphone automatically throttles incoming charging rates to protect internal hardware, substantially slowing down replenishment. The proprietary anker ultra slim heat control system mitigates this challenge through a multi-tiered thermal layout utilizing advanced graphene cooling materials. Graphene disperses concentrated warmth evenly across the outer shell, preventing intense hotspots from building up directly against your phone’s battery chamber.
In addition to passive heat dispersion, the device incorporates dual NTC monitoring chips that track operational temperatures in real time. The manufacturer states that this smart heat control arrangement maintains skin temperatures strictly below 104°F (40°C), which is 14 degrees cooler than common industry benchmarks. Holding the exterior temperature below this threshold protects the phone from triggering thermal charging stops while keeping the combined unit comfortable to hold during extended phone calls.
For mobile professionals working across warm outdoor environments, taxi rides, or sunny transit stations, thermal moderation is an essential safety feature. Maintaining a lower operating temperature safeguards the longevity of both the power bank’s lithium polymer cells and your phone’s internal battery chemistry. Because ongoing heat exposure remains a leading cause of long-term battery degradation, having verified dual-chip thermal safeguards ensures regular top-ups do not needlessly compromise hardware health.
Ecosystem Compatibility and Operating Constraints
Checking hardware compatibility is critical before adding this magnetic accessory to your regular carry gear. The listing specifies that this device is designed for iPhone, specifically naming compatibility with the iPhone 16, 15, 14, and 13 Series. Furthermore, the manufacturer explicitly states that they do not recommend using it with Android devices. Even if an Android device features magnetic case accessories, the internal power handshake, coil dimensions, and thermal parameters are tuned specifically for Apple hardware, making non-iPhone operation unreliable.
Capacity limits also require realistic expectations based on the hardware specifications. Because this is an anker nano 5000mah magnetic pack, the total energy reserve is built for practical top-ups rather than multiple complete battery cycles. A 5,000mAh battery cell running at standard 3.7V nominal internal voltage delivers roughly 3,000 to 3,300mAh of usable power to the phone once inductive conversion losses and voltage transformation are accounted for. This provides roughly 70% to 90% of a full charge on standard handsets, and somewhat less on larger Plus or Pro Max models.
If your portable workstation includes diverse peripheral equipment, remember that this device is dedicated solely to power delivery. It does not provide data transfer features or multiport docking capabilities. When managing digital accessories alongside a notebook like the gateway 15.6 fhd ultra slim notebook, this battery functions strictly as an external energy source. The USB Type-C interface focuses entirely on input recharging and output power delivery, keeping your primary communication tool operational throughout long travel stretches.
Anker Nano MagGo Slim Pros and Cons
Pros
- Ultra-thin 0.3-inch profile for pocket carry
- Qi2-certified 15W fast wireless charging
- Up to 20W max wired USB-C output
- Graphene cooling stays below 104 degrees Fahrenheit
- Fast 1.7-hour full battery recharge time
- Includes 24-month manufacturer warranty
Cons
- 5000mAh capacity provides partial phone recharges
- Not recommended for Android smartphone use
- Magnetic alignment optimized only for iPhone
Check Anker Nano MagGo Slim on Amazon
Is the Anker Nano MagGo Slim Worth It
Evaluating whether the anker ultra slim is worth it depends on whether your daily routine prioritizes sleek portability over heavy multi-cycle capacity. If you spend your workdays moving between business lunches, regional transit, and client offices where carrying a heavy power brick is impractical, this unit delivers exceptional utility. Its 0.3-inch depth ensures an ergonomic, comfortable grip, allowing you to use your smartphone naturally while Qi2 speeds deliver meaningful battery gains during short breaks.
Conversely, users looking for an emergency power reserve to sustain devices across multi-day outdoor trips or long international travel without wall access will find 5,000mAh restrictive. Because wireless energy loss limits output to a partial single-cycle recharge on larger devices, power-hungry users who remain detached from AC outlets all day may need a thicker 10,000mAh alternative. However, as a lightweight safety net that prevents your phone from dying during late afternoon meetings, its slim design and fast wireless transfer make it a highly refined executive accessory.
Ultimately, the anker ultra slim for iphone users successfully balances safety, speed, and sleek dimensions. The combination of official 15W Qi2 wireless output, a 20W wired USB-C output option, and active graphene temperature control below 104°F positions this unit above standard generic magnetic chargers. For business travelers seeking seamless handheld power without cumbersome weight, this charger represents a dependable, well-engineered investment.
Other Options to Consider
| Model | Buyer rating | Ratings | Why it is here |
|---|---|---|---|
 AnkerAnker Nano Magnetic Power Bank, 5,000mAh Qi2-Certified 15W Portable ChargerReviewed here |
4.2Good | 4,177 | The model reviewed on this page. View listing |
 OnfinioUSB Hub 7 Port, USB Splitter with Individual On/Off Switches and Lights. |
4.4Very good | 5,480 | USB 3.0 Hub with 3.3ft Cable is a dedicated desktop expansion choice for professionals needing multi-device connectivity rather than portable wireless power, offering seven USB 3.0 ports with individual on and off switches and status lights for managing PC and laptop accessories. View listing |
 AnkerAnker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI… |
4.5Very good | — | 85W Max PD USB C Hub is designed for mobile workers requiring comprehensive workstation expansion for laptops and Mac devices, providing 85W power delivery pass-through, 4K@60Hz HDMI video output, SD and TF card readers, and dual USB 3.0 data ports. View listing |
 VienonUSB Hub 4 Port, USB Splitter 1 in 4 Out, USB Extender… |
4.4Very good | 21,406 | Multiport USB Adapter provides a straightforward 4-port splitter that expands a single USB port into four USB 3.0 5Gbps connections, making it an ideal compact adapter for desktop and laptop peripheral management without the bulk of powered hubs. View listing |
Ratings are the star averages left by Amazon buyers, not scores from our own testing. Prices are the ones on the listing when this page was written.
FAQ
How fast does the Anker Nano MagGo Slim charge an iPhone wirelessly?
Thanks to official Qi2 certification, the battery pack delivers up to 15W of wireless charging. In manufacturer laboratory tests, it supplied enough power to charge an iPhone 16 Pro to 25% in roughly 42 minutes, though real-world charging speeds may vary based on active phone usage and environmental temperatures.
Can this magnetic power bank be used on Android phones?
The listing states that the device is designed for iPhone (covering iPhone 16, 15, 14, and 13 models) and specifically notes that the manufacturer does not recommend using it with Android devices due to differences in coil alignment and hardware optimization.
How long does it take to fully recharge the power bank?
The internal 5,000mAh lithium polymer battery takes approximately 1.7 hours (or 104 minutes) to achieve a 100% full recharge via its USB-C port, allowing users to restore backup power quickly between work commitments.
Does the charger stay cool during continuous wireless charging?
The charger utilizes graphene cooling layers and dual NTC monitoring chips to keep operating temperatures below 104°F (40°C). According to Anker, this keeps the unit 14 degrees cooler than the industry standard, preventing thermal throttling and maintaining safer handling.
Can you charge your phone using a cable instead of wireless charging?
Yes. The power bank includes a USB-C port capable of delivering up to 20W max wired output. You can use the included USB-C to USB-C cable to connect your phone directly for faster wired charging when preferred.
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