Anker Power Banks for iPhone: Magnetic, Nano and High-Capacity

The Anker Power Bank 10,000mAh, sold as the PowerCore Slim 10000, is the minimalist option. It measures 5.99 by 2.81 by 0.61 inches and weighs 8.6 ounces, and Anker says it provides two charges for an iPhone 15. It has one USB-C port that works for both input and output plus a USB-A port, so you can charge an iPhone and an older accessory with the right cables.

Anker highlights scratch resistance and a 3.2-foot drop test. In the box you get a USB-C to USB-C cable and an 18-month warranty. The listing does not specify maximum output wattage beyond calling it fast charging, so if speed matters most, the 30W Nano models state their numbers clearly. This Anker 10000mAh power bank suits players who want a thin backup that slides into a pocket without a cable dangling off it. For a deeper look at this class, see our guide to the Anker 10000mAh power bank.

• 10,000mAh, about two iPhone 15 charges
• 0.61 inches thin, 8.6 oz
• Two-way USB-C plus USB-A
• 18-month warranty

Best for
Cable-free gaming on the couch

The Anker Nano Magnetic Power Bank is the Anker Qi2 power bank on this list, and the one built for gaming without wires. It is just 0.3 inches thin, snaps magnetically to MagSafe-compatible iPhones and delivers up to 15W of Qi2-certified wireless charging. Anker says that gets an iPhone 16 Pro to 25 percent in 42 minutes, based on its own lab testing. There is also a USB-C port with up to 20W output.

Heat management matters when a battery sits on the back of a phone you are gripping during a long session. Anker uses graphene cooling, dual NTC chips and smart heat control to keep the pack below 104°F. The trade-off is capacity: 5,000mAh is the smallest here, so think of it as a top-up rather than a full-day supply. Anker does not recommend it for Android. It comes with a USB-C cable and a 24-month warranty, the longest on this list. If you prefer magnetic designs, our Anker wireless battery bank guide covers more options.

• Qi2-certified 15W magnetic wireless charging
• 0.3 inches thin
• Up to 20W USB-C output
• 24-month warranty

Best for
Long trips and weekend events

The Anker Zolo Power Bank,20,000mAh 30W Portable charger is the capacity pick for long days at a convention, a tournament or a road trip. Anker rates it at up to four charges for an iPhone 15, with 30W output that boosts an iPhone 15 from 0 to 57 percent in 30 minutes. Recharging the pack itself runs at 20W.

A 5.98-inch built-in USB-C cable is rated to withstand over 10,000 bends, and ActiveShield 2.0 monitors temperature 3 million times per day to adjust output. It measures 4.72 by 2.89 by 1.23 inches and weighs 12.45 ounces, so it is chunkier than the Nano packs. The specs list three ports, although the listing does not detail them. It comes with an 18-month warranty. Choose it for multi-charge endurance; if you also need to charge a laptop, the 87W pack below is stronger.

The Anker Power Bank 20,000mAh with 87W output is the heavy hitter. It distributes 87W across three devices with up to 65W to a single one, enough to charge a 14-inch MacBook Pro to 50 percent in under 40 minutes per Anker. Through the built-in cable it can take an iPhone 15 Pro to 58 percent in 30 minutes, and the listing names Switch among compatible devices.

The built-in USB-C cable is rated for 10,000 bends, and you also get one USB-C and one USB-A port. It recharges fully in 1.5 hours with a 65W charger and is approved for airline travel. At 6.2 by 2.9 by 1.0 inches and 15.5 ounces, it is the heaviest option here. This is the pack for players who carry an iPhone, a handheld console and a laptop in the same bag. For phone-only use, it is more than you need. Anyone who wants even more power for a whole setup can look at our Anker portable power station coverage.

• 87W total, 65W to a single device
• Built-in USB-C cable plus 1C1A ports
• Full recharge in 1.5 hours at 65W
• Airline-approved capacity

Best for
Compact grab-and-go with built-in cable

The Anker Nano Power Bank,10,000mAh 30W Portable charger puts a built-in USB-C cable on a compact 10,000mAh pack. It charges at 30W in both directions, so it can take an iPhone 14 to 50 percent in 30 minutes and recharge itself to 50 percent in 45 minutes. Dimensions are listed as 10.4 by 5.2 by 2.6 cm.

The casing uses 80 percent recycled consumer plastic. The specs list compatibility with iPhone 12 through 15 and ports of one built-in cable plus USB-C and USB-A. Box contents are the power bank and an instruction manual that the listing says may not be in English, and the listing does not specify a warranty. It suits players who want a small pack with a cable that is always attached.

Best for
Travelers wanting charger plus battery

The Anker Nano 3-in-1 Portable Charger,10,000mAh 30W Travel Power Bank combines a 10,000mAh battery, a foldable wall charger and a built-in USB-C cable. That means one device to pack for a trip: plug it into the wall to charge your phone and the battery, then unplug it and keep going.

It provides 30W output, taking an iPhone 15 Pro from 0 to 50 percent in 25 minutes, and up to 1.97 charges for that phone. It measures 4.25 by 2.01 by 1.22 inches at about 8.82 ounces and can charge two devices at once. It includes an 18-month warranty. For a single-bag travel setup, it is the most convenient Anker 3-in-1 power bank here, though capacity-focused users will prefer the Zolo.