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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 9,689 reviews
Condition: New
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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, Sep 7
Order within 20 hours and 42 minutes
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Color: Black


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:It's normal for the power bank to reach temperatures between 98-118F when the ambient temperature is 77F. Rest assured, this device meets international safety standards for safe operation.)
  • 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: Black


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 C batteries required. (included)


Date First Available: August 9, 2022


Manufacturer: Anker


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 7

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.

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Leasing options through Acima may also be available during checkout.

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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
    • Overheats phone.
Color: Black
It came in a timely matter. Small seemingly function but it overheats my iPhone and will only charge about 10 percent at time with breaks for iPhone to cool down. I don’t get it. So this company changed my mind from the original 3 star review that I wrote above. They actually reached out to me to address my concerns and gave me all sorts of options. While I chose the refund because the product didn't work for me, I would buy from them again in a heartbeat, Well done and thank you. ... show more
Reviewed in the United States on August 13, 2025 by kimberly luna
    • Perfect for a boost in power
Color: Black
I was at an event and my phone was dying before the end of the day. This was the perfect accessory to make it last the rest of the day. It gave me around an additional full charge. It does add some weight and size to the phone but it’s about as slim as you can get. The magnet is strong and worked well through a case. ... show more
Reviewed in the United States on August 1, 2025 by Matt Krysiak
    • Good size decent battery
Color: Black
It takes really long to charge and it dies kinda fast but overall it’s a great buy. The magnet is super strong so you don’t have to worry about it falling off and it’s a thin size so it fits comfortably in your pocket.
Reviewed in the United States on August 10, 2025 by Chris
    • Everyone loves!
Color: Black
Have had to buy one for everyone in our house at this point! It is slim enough to be able to have on your phone and still have your phone in your pocket. The magnet holds great and charges phones quickly. It does take some time to charge the charger itself, but overall is a great value.
Reviewed in the United States on August 9, 2025 by A2MomTo3
    • It’s alright.
Color: Black
Got it on prime day for $27. Not a terrible deal. It’s a nice little convenience of getting something quickly charged with some juice. The only issue is the battery life isn’t that good, my iPhone 15 pro max charges maybe 25% total on a full charge of the battery pack, I expected at least 75% or somethin. It’s a slim pack and easy to fit in your pocket, you barely notice it’s on your phone, until it starts getting all hot in your pocket from charging. I think it’s an okay product just wish it didn’t get so hot, and actually charged my phone a little faster and at least like one full fill on the battery would be cool. ... show more
Reviewed in the United States on July 24, 2025 by Michael Davis
    • Best brand even with “flaws”
Color: Black
I was most curious to test one thing other reviews says, and yes, it does tend to get very hot, sometimes scary hot, even in an air conditioned room at 69 degrees, and a fan blowing, phone locked, it heats up. Charging my 15 Pro Max went from about 20% to 75% and then stopped, so not bad. I will say it is noticeable as far as added space on the back but not terrible, and doesn’t compromise a lot. Magnet is also pretty good. Why did you pick this product vs others?: I trust the anker brand. They have solid chargers and I always recommend them any chance I get. They might be slightly more expensive, but it’s worth it instead of something that might be unsafe from a knock off brand. Batteries especially when wireless charging can get hot, and there are sensors that regulate that and slow it down to compensate, which is why I’m still giving it 5 stars. Go with anker. ... show more
Reviewed in the United States on July 4, 2025 by Joshua Miller
    • Small but practical
Color: Black
Review Image by Kevin Molina Kevin Molina
Review Image by Kevin Molina Kevin Molina
Review Image by Kevin Molina Kevin Molina
Looks definitely nice, but I regret this is not a fast charging battery it takes long to pass from one percentage to the next. Overall it’s small and practical for emergencies.
Reviewed in the United States on August 30, 2025 by Kevin Molina Kevin Molina

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