Anker

Anker Nano Power Bank Ultra-Slim 5 000mAh Magnetic Wireless Charging Battery Qi2 Certified 15W Max MagSafe-Compatible Portable Charger

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$54.99$69.99

About this item

  • Ultra-Slim Qi2-Compatible Magnetic Power Bank: At just 0.3 inches thin, this ultra-slim power bank suppots Qi2 certification and offers 5,000mAh of reliable wireless charging, perfect for daily carry and among the trusted iPhone power banks available.
  • Enhanced Safety and Speed: Experience high-speed charging with enhanced safety. Qi2 MagSafe compatibility, temperature protection, and up to 20W max USB-C output
  • 15W MagSafe-Compatible Charging: Get up to 15W max of Qi2-certified fast wireless charging—enough to power an iPhone 16 Pro to 25% in just 42 minutes. (Note: Data based on internal lab testing; actual performance may vary.)
  • 104℉ for Safer Handling: Designed with graphene cooling, dual NTC chips, and smart heat control, the device stays below 104°F, 14 degrees cooler than industry standard for safer charging with temperature protection built in.
  • What You Get: Anker Nano Power Bank (5K, MagGo, Slim), USB-C to USB-C charging cable, welcome guide, 24-month warranty, and our friendly customer service.
$54.99
Was $69.99Save $15.00

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Product details

Connector TypeUSB Type C
BrandAnker
Battery Capacity5000 Milliamp Hours
ColorBlack
Special FeatureWireless Charging

Technical specifications

product_dimensions4.02 x 2.77 x 0.33 inches
item_weight5.9 ounces
item_model_numberA1665
batteries1 Unknown batteries required. (included)
best_sellers_rank#188 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #9 in Cell Phone Portable Power Banks
special_featuresWireless Charging
other_display_featuresWireless
colorBlack
manufacturerAnker Innovations Limited
date_first_availableMay 13, 2025

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Customer reviews

4.31,341 ratings

Customers say

Customers appreciate the power bank's slim design and portability, noting it slips easily into pockets and is perfect for travel and daily use.

★★★★★

Anker Nano Power Bank - Ultra Slim, Super Convenient

CustomerNovember 30, 2025

This little Anker charger is honestly a lifesaver. It’s super high quality, charges my phone really fast, and the magnet strength is no joke—even through a case, it stays put. It’s thin and light enough that it basically disappears in your pocket, so you barely notice it. Plus, it doesn’t really overheat, which is great. Sometimes the phone might say it needs to cool down a bit if you’re using it heavily, but that’s more of a phone thing than the charger itself. It can take your phone from about 20% to full in around half an hour or so and still have some juice left. And when it does run out, it’s super easy to recharge with USB-C. Overall, definitely a convenient little battery pack that’s worth the money and makes life easier. Read more

★★★★★

Perfect for long days when on the go

CustomerOctober 19, 2025

Slim and compact which is perfect for carrying if you’ll be out on a day trip. This is much better than having to carry a larger and heavier power bank. It doesn’t get very warm when I’m charging my iPhone 15PM via MagSafe. If I charge my iPhone by USB cord as a typical power bank but not attached by MagSafe, it does get warmer but it will also charge faster. You can leave this attached to your iPhone by MagSafe but charge using a USB cord if you hold on to the button for a few seconds. Charging this way does leave the battery almost coffee cup hot. It seems the battery gets hotter with wired charging and when attached by MagSafe, the extra warmth from the iPhone itself makes the battery hotter like a cup of coffee for comparison. Not dinging Anker for this since all power banks get warm to hot when charging. Note that all power banks can’t charge a device at the power banks’ maximum capacity since there’s some energy loss (about a third of the total capacity) when charging a device. This is noted in a few of the product images but not really detailed in the description. The compact size, portability, and MagSafe/Qi more than makes up for this since I really only need this for long days where I might not have access to a power outlet or on the go without having enough time to plug into an outlet. I don’t need to recharge my phone 100% and the Anker Nano Power Bank provides more than enough to get me through a long day. The white case has a matte finish. The sides appear to be aluminum. I avoided the black one since photos from other user reviews show a lot of finger prints and smudges. Build quality seems really solid. Magnets seem pretty strong; stronger than the MagSafe puck sold by Apple. It can rotate with enough force when pushed from the bottom corner but there is an alignment magnet. Otherwise, it attaches pretty securely with MagSafe. It’s as secure or more secure as any MagSafe accessory made by Apple. Only minor caveat is that it can be easy to accidentally press the power button if the power back is attached by MagSafe and you’re holding and using the device. This will disable MagSafe charging. If it stops charging and you know there’s power left, just press the button again. Read more

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★★★★★

Extremely portable and light but keeps your phone going

tjp1684December 14, 2025

This power bank can give you the juice you to power up your phone and not weight down your pocket. When it comes to portable/mobile power products, Anker is a proven, reliable player. This new release from them is a game changer. It’s not going to charge your iPhone from 0 or multiple times, but ITV’s going to keep you going on a day where you’re getting moderate to heavy use. It charges quickly, which is nice, but you can magnetically connect it to your iPhone and leave it connected. It’s extremely light, where I don’t notice the difference in my pocket. This was given away in white elephant exchanges by us several times, and it was highly sought after each time. Read more

★★★★★

Perfect Portable Charger for My iPhone 17 Pro Max

wndycruzNovember 3, 2025

⭐️⭐️⭐️⭐️☆ I fell in love with the color the moment I opened the box—it looks even better in person. I brought it with me on a trip to San Francisco, and its portable size and lightweight feel made it easy to carry in my pocket and bag. Definitely 5 stars for size and weight. I tested the power on my iPhone 17 Pro Max, starting at 18%, and it charged up to 80% in one session. It did get slightly warm while charging, but nothing extreme compared to other Qi magnetic power banks I’ve owned. The compatibility was perfect—just snap it on and it starts charging instantly with no alignment issues. ✅ Pros • Beautiful color and premium look • Very portable and lightweight—great for travel • Strong magnetic hold on the iPhone 17 Pro Max • Charges smoothly from 18% to 80% • Doesn’t overheat like some other power banks • Good balance of size, power, and design ⚠️ Cons • Doesn’t fully charge the iPhone 17 Pro Max to 100% in one cycle • Gets warm during charging (not hot, but noticeable) • Would be nice if it had a battery percentage display • Works best with MagSafe cases—may not stick as well with thicker cases Overall, it’s a great compact power bank with solid performance, especially if you want something stylish, travel-friendly, and reliable for quick boosts on the Read more

★★★★☆

Solid slim battery pack that charges well, but like others, does get hot.

CDADecember 13, 2025

***Update*** Anker contacted and gave good recommendations and expectations for slim high speed battery charging battery pack. This is a good travel in a pinch battery pack to keep level battery when traveling when slim design is a priority. It's a solid slim battery pack for the price. It's a great way to top up my iPhone Air. This charges quickly and I use it wireless if I need a quick top up, and if I need all the juice, I use my short USB-C to USB-C cable. The battery pack does get warm, if not hot when topping up my phone from very low phone battery. I've gotten the message that the phone charging is paused due to heat, but I've gotten this with every wireless battery pack so far except for an Apple battery pack. For the price and size, and with my proper expectations, works great. The magnetic strength is as solid as my Belkin and Baesus battery packs. Works well on my iPhone Air, my spouses 14 Pro, and my 13 mini Read more

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