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Anker

Anker 621 Magnetic Portable Charger (MagGo), 5,000mAh Wireless Power Bank with USB-C Cable, Magsafe-Compatible Battery Pack for iPhone 16/15/14/13/12 Series

  • Based on 16,122 reviews
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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, Mar 22
Order within 14 hours and 24 minutes
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Color: Green


Features

  • Smaller Than Ever: Anker's new MiniCell technology delivers identical charging performance with fewer components. This means it's smaller and lighter than ever before
  • Pocket-Sized Power: Slim enough to snap to your phone and slip into your pack, purse, or pocket.
  • Strong Attachment: Equipped with ultra-strong magnets that firmly attach to the back of the iPhone 15 or 14 so you can single-handedly take selfies, make calls, and more.
  • Charge in a Snap: Align your iPhone and battery with a snap. Say goodbye to disconnection issues caused by wireless charging misalignment. (Note: Slight heating due to efficiency losses in the conversion circuit is normal.)
  • What You Get: Anker 621 Magnetic Battery (MagGo), 23.6 in (60 cm) USB-C to USB-C cable, welcome guide, worry-free 24-month warranty, and friendly customer service.

Connector Type: USB Type C


Brand: Anker


Battery Capacity: 5000 Milliamp Hours


Color: Green


Special Feature: Wireless Charging


Product Dimensions: 4.13 x 2.62 x 0.45 inches


Item Weight: 5 ounces


Item model number: A1610


Batteries: 1 Lithium Polymer batteries required.


Date First Available: August 10, 2022


Manufacturer: Anker Innovations Limited


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Mar 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Affirm Financing
  • Afterpay Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Compact, Portable, No Wires, Gets Hot!
Color: Black
Review Image by S. Moore S. Moore
This was my first Magsafe battery. I had some older Qi wireless chargers and was familiar with heating issues. But these were older and lower power. Without the Magsafe feature, they were finicky and fussy and didn't properly fit around camera lens protrusions. I barely used these devices. This Anker 621 has a lot of promise. The Magsafe feature locks tight and the dimensions do not interfere with the camera protrusions, even with a case on the phone. It's compact and slim, and most importantly, does not require wires. It can be easily carried in a backpack or pocket without an accessory bag for wires and cables. When I first unpacked the battery, I fully charged with with a USB-C PD charger. It charged at 1A/5V. I used it to inductively charge my iPhone 14 Pro intermittently over the next few days. After about 10% charge, I determined the heat buildup to be intolerable. Therefore, I only used the pack intermittently. That worked fine for me over several days. When the battery was empty, it took 20Wh to fully charge. The battery was advertised for 5000mAh, which is impossible to measure without disassembling the unit. However, we can calculate 20Wh / 5V / 0.9 = 4400mAh (where 0.9 is the efficiency of the voltage converter for USB). This is below advertised capacity, but there’s a lot of assumptions in the conversion. Then I used a USB-C cable to charge my iPad Mini. It transferred 14.8Wh at about 9 Watts before exhausting. The round-trip efficiency was high, because recharging took 14.8Wh to fully recharge. I suspect I didn’t get the full 20Wh capacity with the iPad because the higher charge demand choked the battery before it could get fully empty. Using the inductive charge mode, both devices get hot relatively quickly. The switching power electronics get particularly hot. I can easily feel where the transistor is located beneath the plastic shell. The inductive transmitter loop gets warm on the battery and the receiver loop gets warm on the phone. Lithium-ion batteries degrade proportionally to temperature (the Arrhenius relationship), accelerating +25% degradation rate for every 10C, this is bad for the phone. In summary, • The battery delivers 20Wh of energy. If using inductive (Qi and Magsafe), much of the energy is converted to heat, so perhaps only 10-15Wh is actually delivered to the battery. • If using high-current devices using a charge cable, such as an iPad, the high current chokes the battery a bit early, stopping at 15Wh. • My back-of-the-envelope calculation shows 4400mAh vs. rated 5000mAh. I suspect the battery is not delivering rated capacity. Anker should be rating these batteries in Joules (watt-hours) instead of Coulombs (ampere-hours). • Inductive charging is inefficient, losing a quarter to half of energy to heat. This is not Anker’s fault but a result of real-world physics. With my iPhone 14 Pro, I saw about 10C rise per 10% of battery charge. I never let it progress beyond this point. • Lithium-ion batteries accelerate aging degradation due to the Arrhenius relationship about +25% per 10C temperature rise. Therefore, prolonged use of inductive charging will ultimately age your battery prematurely. • This battery is very worthwhile because I don’t have to carry an accessory kit with wires to use. Just slap it on the back of the phone and go. Plus, if frees the connector to use with wired headsets when using. ... show more
Reviewed in the United States on June 19, 2025 by S. Moore S. Moore
    • Great little bank
Color: Black
Great charging bank. Like that I can charge with cable or MagSafe. Recommend cable since MagSafe gets hot and charges much more slowly. Recharges pretty quickly.
Reviewed in the United States on November 16, 2025 by WhatsInAName?
    • Love how slim this is!
Color: White
This portable, magnetic charger is perfect in the summer! I run GameChanger, which is a scoring app for baseball, and it really zaps your battery. I can slap this little charger on the back of my phone in the morning and keep up my battery life all day, even after several ball games and come home fully charged. It's pretty impressive! It will get warm while charging so you may have to disconnect occasionally if it is already hot outside so that the phone doesn't get overheated. I have since bought one for my husband and my mom. Great product! ... show more
Reviewed in the United States on November 17, 2025 by Tammy
    • Good and reliable
Color: Black
This battery has honestly changed the way I travel. It only charges my battery up to 70% but for me that’s more than enough. The slim design makes it easy to carry to the point I don’t notice I have it in my pocket. I’m giving it 4 stars only because the battery does get hot but besides that I like it ... show more
Reviewed in the United States on December 6, 2025 by Isaias
    • Works with my Samsung ultra 24
Color: White
Works for my Samsung ultra 24 I like it but I feel like it take forever to charge and I've never cared .much for wireless charging as it charges my phone(s) slowly. However it's a good back up way to keep my phone charged and not feel like like I'm a leash
Reviewed in the United States on December 4, 2025 by Danielle Boyd
    • Charger for your pocket!
Color: Blue
The magnet is really strong and charges fairly quickly. In about an hour of charging in my pocket my phone went from 25% to 75%. It did get fairly warm though but that is to be expected. Fantastic quality for the price!
Reviewed in the United States on December 7, 2025 by Lauren
    • Slow Charger
Color: Black
Review Image by Bob Tobias Bob Tobias
Review Image by Bob Tobias Bob Tobias
I've had a lot of good luck with Anker products. That's why they were one of my first choices with I wanted to try a MagSafe battery with my iPhone Pro Max. This time, the results were a mixed bag. I liked the size and magnet. The battery is small enough that I can still hold my phone comfortably when it's attached. And the magnet is strong enough that it doesn't shake loose when I toss my phone with it attached into my pocket or backpack. The problem, and why I eventually returned it, is that it charges my phone more slowly than other MagSafe batteries I've tried. You don't have to take my word for it. That's why my iPhone says when I attach it. It also doesn't trigger the MagSafe animation. That's probably because it's not a true MagSafe charger. More to the point, it takes about 30% longer to charge my iPhone than other MagSafe chargers, where the issues I just mentioned don't happen. ... show more
Reviewed in the United States on October 10, 2025 by Bob Tobias Bob Tobias

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