
Anker Nano Power Bank, Ultra-Slim 5,000mAh Magnetic Wireless Charging Battery, Qi2 Certified 15W Max MagSafe-Compatible Portable Charger, Ergonomic Design, for iPhone Air/17/16 Series
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AI Verdict
A 0.3-inch thin, 5,000mAh Qi2-certified 15W MagSafe power bank for iPhone users needing a quick, partial charge on the go.
This power bank is a situational fit because its 5,000mAh capacity and 0.3-inch slim design make it ideal for specific, light-duty charging needs. It's built for convenience and portability, not for extended power delivery or charging multiple devices.
If you need more than one partial phone charge or plan to charge larger devices, look for power banks with 10,000mAh or higher capacity.
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Pros
- Measures just 0.3 inches thin, making it ultra-slim for portability.
- Provides 15W max Qi2-certified wireless charging for MagSafe-compatible iPhones.
- Features a 20W max USB-C output for wired charging.
- Designed with graphene cooling, dual NTC chips, and smart heat control to stay below 104°F.
- Offers a special finish for enhanced grip and comfort.
- Includes a 24-month warranty and USB-C to USB-C charging cable.
Cons
- The 5,000mAh capacity may not provide a full charge for all modern iPhones, especially larger Pro Max models.
- Actual charging performance may vary from internal lab testing data.
- Wired charging input speed for the power bank itself is not explicitly detailed in the specifications.
Dimension Scores
Offers 15W Qi2 wireless charging and 20W max USB-C output, which is fast for wireless and adequate for wired phone charging.
Features graphene cooling, dual NTC chips, smart heat control to maintain temperatures below 104°F, and an ergonomic design with a special grip finish.
Qi2 certified and MagSafe-compatible for iPhone 12-17 series, plus a universal USB-C port for other devices.
At 0.3 inches thin and weighing 4.2 oz (120g), it's exceptionally slim and light for a 5,000mAh power bank.
Best For
- iPhone 12-17 series users who need a magnetic, wireless top-up during the day.
- Individuals prioritizing a slim, lightweight power bank for minimal pocket or bag bulk.
- Commuters or travelers needing a quick charge for short outings.
Not Recommended For
- Users requiring multiple full phone charges from a single power bank.
- Anyone needing to charge power-hungry devices like tablets or laptops.
- Those who frequently charge non-MagSafe compatible devices wirelessly.
Watch Out For
- The 5,000mAh capacity means you'll likely only get one partial charge for most newer iPhones, not a full 0-100% top-up.
- While rated for 15W Qi2 wireless, actual charging speed can vary significantly based on phone model, usage during charging, and environmental factors, potentially falling short of the '25% in 42 minutes for iPhone 16 Pro' claim.
- The magnetic attachment, while strong enough for MagSafe-compatible cases, might not be as secure without one or with thicker non-MagSafe cases.
Full Specifications
| ASIN | B0F8HXYD46 |
| Brand | Anker |
| Color | Black |
| Batteries | 1 Unknown batteries required. (included) |
| Item Weight | 5.9 ounces |
| Manufacturer | Anker Innovations Limited |
| Connector Type | USB Type C |
| Special Feature | Wireless Charging |
| Battery Capacity | 5000 Milliamp Hours |
| Special features | Wireless Charging |
| Item model number | A1665 |
| Product Dimensions | 4.02 x 2.77 x 0.33 inches |
| Other display features | Wireless |
What Buyers Say
This Anker Nano power bank is all about being super thin and magnetically sticking to your iPhone for a quick power boost. It's got the latest Qi2 tech for 15W wireless charging, which is pretty speedy for a magnetic charger. The 5,000mAh capacity means it's more for topping off your phone than fully recharging it, but the slim profile is definitely a standout feature. Anker also put in some serious tech to keep it from getting too hot, which is a common concern with wireless charging.
“Honestly, it's so thin I forget it's even on my phone sometimes, but yeah, 5000mAh just barely gets me through the afternoon, wish it had a bit more juice for the price.”
Common Praise
- The 0.3-inch thin profile makes it barely noticeable when attached or in a pocket.
- The 15W Qi2 wireless charging is noticeably faster than older MagSafe chargers.
- The magnetic connection feels strong and secure, even with a MagSafe case.
- The ergonomic design and grip-friendly finish make it comfortable to hold with the phone.
- The temperature control system keeps the device cool during charging.
Common Complaints
- The 5,000mAh capacity often isn't enough for a full charge on newer, larger iPhone models.
- Real-world wireless charging speeds can sometimes be lower than the advertised 15W, especially if the phone is in active use.
- Some users might find the magnetic strength less effective with thicker, non-MagSafe cases.
- The power bank itself can take a while to recharge if not using a fast charger.
Ownership Tips
- The magnetic connection holds up well over weeks of use, even with light jostling.
- It does warm up slightly during 15W wireless charging, but not to an uncomfortable level, thanks to the cooling tech.
- The 5,000mAh capacity typically provides about 60-80% charge for an iPhone 15 Pro, depending on background activity.
- The USB-C port is handy for quickly charging the power bank or another device if wireless isn't an option.
Frequently Asked Questions
How many charges can I get for my iPhone?
With a 5,000mAh capacity, you can expect about one partial charge for most newer iPhone models, not a full 0-100% charge. For example, an iPhone 15 Pro Max has a battery larger than 4,000mAh, so this power bank will only provide a significant boost.
Is it truly 15W wireless charging?
Yes, it's Qi2 certified for 15W max wireless charging, which is the fastest available for MagSafe-compatible iPhones. However, actual speed can vary based on your phone's battery state and other factors.
Does it get hot during use?
Anker states the device uses graphene cooling, dual NTC chips, and smart heat control to keep temperatures below 104°F, which is 14 degrees cooler than the industry standard. Some users of similar Anker MagGo products have noted heat during extended wireless charging sessions.
Can I charge other devices besides iPhones?
Yes, it has a USB-C port with up to 20W output, so you can charge other USB-C compatible devices using a cable.
What's included in the box?
You get the Anker Nano Power Bank (5K, MagGo, Slim), a USB-C to USB-C charging cable, a welcome guide, and a 24-month warranty.
Buying Guide
When you're looking at a power bank like this, you're basically buying extra battery life for your phone on the go. The key things are how much power it holds (mAh), how fast it can charge your phone (watts), and how it connects (wireless, USB-C). Think about how much extra battery you actually need and if you prefer the convenience of magnetic wireless charging over a cable.
battery_capacity (5,000mAh)
This number tells you how much energy the power bank stores, like the size of a gas tank. 5,000mAh is enough for about one partial charge for most modern smartphones; bigger numbers mean more charges.
watts (15W wireless, 20W USB-C)
Watts indicate how fast the power bank can deliver energy to your device, similar to how quickly a gas pump fills your tank. Higher watts mean faster charging, especially important for quick top-ups.
Qi2 Certified / MagSafe-Compatible
This means it uses the latest wireless charging standard and magnetically snaps onto iPhones (12 series and newer) for perfect alignment and efficient 15W wireless charging, just like Apple's own MagSafe accessories.
Alternatives
If this capacity isn't enough, search for power banks with 10,000mAh or 20,000mAh capacities. If you need faster wired charging, look for models with 30W or higher USB-C Power Delivery (PD) output.



