When the battery indicator turns red, a reliable power bank can be the difference between staying connected and scrambling for an outlet. Anker has long been one of the most trusted names in portable charging, offering a range of options that balance capacity, speed, and everyday practicality.
The good news for shoppers is that some of the brand’s best performers sit comfortably under the $100 mark on Amazon right now. The best Anker power banks under $100 include the Anker 313 PowerCore 10K, the Anker Nano Power Bank (30W), the Anker 737 PowerCore 24K, the Anker MagGo Power Bank (10K, Slim), and the Anker Prime Power Bank (9.6K, 65W, Fusion).
1. Anker 313 PowerCore 10K: Best budget pick
For anyone who wants dependable backup power without overthinking it, the Anker 313 PowerCore 10K is about as straightforward as it gets. Priced at around $19 on Amazon, it packs a 10,000mAh battery into a slim, lightweight frame that measures just 5.99 by 2.81 by 0.61 inches and weighs 8.6 ounces. Anker claims the unit can charge an iPhone 15 twice over, a Galaxy S23 close to twice, and an iPad mini about once and a quarter, which covers most day-trip scenarios with ease.
The PowerCore 10K includes a USB-C port for both input and output, a USB-A output port, and a Micro-USB input, so two devices can charge at the same time. Anker’s PowerIQ technology tailors the output to whatever device is connected, and the built-in safety features cover surge protection and short-circuit prevention.
2. Anker Nano Power Bank (30W, Built-In USB-C Cable): Best for travel
The Anker Nano Power Bank takes a different approach by eliminating one of the most common travel frustrations: forgetting the cable. Its built-in retractable USB-C cable means one less thing to pack, and the compact form factor makes it easy to slip into a jacket pocket or small pouch. At around $34 on Amazon, it offers 10,000mAh of capacity alongside 30W fast charging output.
The Nano also supports 30W input, meaning the power bank itself recharges quickly when plugged back in. Anker’s PowerIQ technology is on board here as well, intelligently adjusting output for connected devices. The built-in cable is rated to withstand over 10,000 bends, addressing the durability concern that often comes with integrated designs.
3. Anker 737 PowerCore 24K: Best for laptops
Step up the budget slightly, and the Anker 737 PowerCore 24K at around $95 on Amazon is one of the most capable power banks available under the $100 threshold. The 24,000mAh capacity gives it serious staying power, and the inclusion of 140W Power Delivery 3.1 via its USB-C port means it can fast-charge a 16-inch MacBook Pro to 50% in roughly 40 minutes.
The 737 features two USB-C ports and one USB-A port, allowing multiple devices to charge simultaneously. It also has a smart display for real-time information on remaining battery percentage and power flow. It is the bulkiest option on this list by some margin, which is the main caveat.
4. Anker MagGo Power Bank (10K, Slim): Best for iPhone users
Apple users who have grown accustomed to MagSafe will find a natural companion in the Anker MagSafe Power Bank (10K, Slim). Priced at around $80 on Amazon, it attaches magnetically to MagSafe-compatible iPhones and delivers Qi2-certified 15W wireless charging. The slim A1664 design measures just 4.09 by 2.78 by 0.58 inches and weighs 7.05 ounces.
The USB-C port supports both 30W input and 30W wired output, offering flexibility for those who also want to cable-charge a second device. Anker’s ActiveShield safety system monitors temperature at a very high frequency throughout the charging process.
The usable wireless capacity lands in the 5,500 to 6,500mAh range after typical conversion losses, but for iPhone users who prioritize convenience and cable-free everyday charging, it remains a polished and well-executed option.
5. Anker Prime Power Bank (9.6K, 65W, Fusion): Best 2-in-1
The Anker Prime Fusion takes a unique approach by combining a power bank and a wall charger into a single unit, priced at $70 on Amazon. The built-in foldable AC plug lets it plug directly into a wall outlet to recharge itself while simultaneously charging a connected device via its USB-C port at up to 65W. That dual functionality makes it a genuinely space-saving solution for travelers who want to cut down on the number of accessories they pack without sacrificing charging speed.
With 9,600mAh of capacity and 65W output, it handles fast charging for phones and lighter laptops with ease. The trade-off is that the capacity is lower than some other picks on this list, so it may not be the right call for those needing multiple full charges on a single outing.
As an all-in-one option for the daily commuter or business traveler, though, it covers the bases efficiently and stylishly, and the “Prime” branding means it comes with Anker’s higher-tier build quality and safety standards baked in.
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