When your iPhone battery hits the red zone and you need a quick power-up, having the right charger makes all the difference. After extensive testing of the latest USB-C chargers, we’ve found that the Anker PowerPort III Nano is the best option for most iPhone users who want fast, reliable charging without breaking the bank.
Why Trust Our Analysis We conducted rigorous power output testing using professional-grade equipment to measure actual charging speeds and power delivery consistency. Our real-world tests included charging multiple iPhone models from empty to full, monitoring temperature, and comparing charging speeds across different scenarios.
Our Top Pick:
Anker PowerPort III Nano Price: $25
(usually includes cable) Key Features:
- 20W USB-C output
- Incredibly compact design
- Matches original iPhone charger size
- Includes 6-foot high-quality cable
- 18-month warranty
Real-World Performance In our testing, the PowerPort III Nano charged an iPhone 13 from 0% to 52% in just 30 minutes – a dramatic improvement over older 5W chargers that only reached 17% in the same time frame. After a full hour, the iPhone hit 83% charge compared to just 34% with legacy chargers.
The included PowerLine II cable is MFi certified and survived our durability tests, making this package an excellent value. The charger’s compact size (1.2 x 1.1 x 1.1 inches) makes it perfect for travel while still delivering maximum charging speeds for most iPhones.
Anker PowerPort III Nano
The Best Compact USB-C Phone Charger of 2025
After extensive testing of the latest USB-C chargers, the Anker PowerPort III Nano stands out as our top recommendation. This ultra-compact charger delivers impressive 20W fast charging in a size matching Apple’s old 5W adapter. In our tests, it charged an iPhone 13 from 0% to 52% in just 30 minutes – a dramatic improvement over older chargers. With its included high-quality 6-foot PowerLine II cable, reliable safety features, and 18-month warranty, it offers exceptional value for modern device users.
Key Features: • 20W USB-C output • Ultra-compact design (1.2 x 1.1 x 1.1 inches) • Includes MFi-certified cable • Universal compatibility • Advanced safety protections
Buying Options
Buy on Amazon – $25Premium Alternative: Belkin Boost Charge Pro 45W
For users wanting more flexibility, the Belkin Boost Charge Pro offers dual USB-C ports with even faster charging capabilities. At $32, it’s pricier but allows charging two devices simultaneously without speed compromise.
Belkin Boost Charge Pro 45W
The best two-port USB-C phone charger
This premium charger features two USB-C ports with a combined maximum output of 45W, perfect for fast-charging two devices simultaneously. During testing, it delivered up to 25W from one port and 20W from the other when both are in use, enough to fast-charge modern phones and tablets. Its folding plug and rounded edges make it exceptionally travel-friendly, measuring just 1.8 x 1.6 x 1.5 inches.
Key Features: • Dual USB-C ports • 45W maximum output per port • Compact folding design • Two-year warranty • GaN technology
Buying Options
Buy on Amazon – $32Budget Alternative: Anker PowerPort 4
If you’re still using older devices with USB-A ports or need to charge multiple devices, the PowerPort 4 offers four ports at 12W each for around $28. While not as fast as USB-C options, it’s perfect for overnight charging of multiple devices.
Anker PowerPort 4
The best multi-port USB-A charger
Our testing showed the PowerPort 4 can deliver its full 12W from all four ports simultaneously – a rare feature in multi-port chargers. With dimensions of 2.6 x 2.6 x 1.1 inches, it’s compact enough to fit in a travel bag while providing reliable power for up to four devices. The direct wall-plug design eliminates the need for a power cord, making it even more portable.
Key Features: • Four USB-A ports • 12W per port • Space-saving design • 18-month warranty • Universal voltage support
Buying Options
Buy on Amazon – $28Charging Speed Comparison (iPhone 13):
- 5W Apple Charger: 17% in 30 minutes
- 12W iPad Charger: 40% in 30 minutes
- Anker PowerPort III Nano: 52% in 30 minutes
30-Minute Charging Comparison
What To Look Forward To We’re currently testing newer models from Anker, Belkin, and Hyper that promise even faster charging speeds and more compact designs. However, for current iPhone users, the PowerPort III Nano hits the sweet spot of price, performance, and portability.
The Bottom Line The Anker PowerPort III Nano offers the best combination of fast charging, compact size, and value for most iPhone users. Its 20W output matches Apple’s official charger while costing less and including a high-quality cable. Unless you specifically need multiple ports or higher power output for larger devices, this is the charger to get.
Palladio Tech 
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