There is nothing worse than watching your iPhone battery drop to single digits when you are nowhere near an outlet. A portable charger is one of those things you do not think about until you desperately need one.
With so many options ranging from tiny lipstick-sized chargers to massive bricks that can charge your phone five times, picking the right one matters. You want something that fits your lifestyle without weighing you down.
Here are the best portable chargers for iPhone in 2026, tested for real-world performance.
Best Portable Chargers for iPhone
1. PowerSlim 10000mAh MagSafe Battery Pack
Our top pick for iPhone users. It magnetically snaps to the back of your iPhone for wireless charging on the go. No cables needed. Provides about 2 full charges for most iPhones and the slim profile barely adds bulk. Best for iPhone 12 and newer users who love MagSafe.
2. UltraCharge 20000mAh Portable Power Bank
When you need maximum juice, this 20000mAh beast provides 4-5 full iPhone charges. It has three output ports so you can charge multiple devices simultaneously. Supports 22.5W fast charging. Best for travelers and heavy users who need multi-day power.
3. MiniJuice 5000mAh Pocket Charger
Small enough to fit in your front pocket and light enough to forget it is there. Gives you one full charge for any iPhone, which is often all you need. Built-in Lightning and USB-C cables mean nothing extra to carry. Best for daily carry when you just need an emergency top-up.
4. SolarBank Outdoor Power Bank
Features a built-in solar panel for trickle charging in sunlight plus a 15000mAh battery. Rugged, waterproof, and dustproof construction with a built-in flashlight. Solar charging is slow but works as a backup. Best for hikers, campers, and outdoor enthusiasts.
5. SpeedCharge 10000mAh PD Fast Charger
The fastest charger on our list with 30W USB-C Power Delivery output. Gets your iPhone to 50% in about 25 minutes. Compact size at 10000mAh means you still get about 2 full charges. Best for people who need quick top-ups and hate waiting.
6. DualWireless Charging Pad Power Bank
Features two wireless charging spots so you can charge two phones simultaneously just by placing them on top. Also has USB-C and USB-A ports for wired charging. 15000mAh capacity handles multiple devices easily. Best for couples or people with multiple devices.
Things to Consider Before Buying
- Capacity: 5000mAh gives you about one full iPhone charge. 10000mAh gives about two. 20000mAh gives four to five. Pick based on how long you need to be away from an outlet.
- Charging speed: Look for USB-C Power Delivery (PD) support for the fastest iPhone charging speeds. Standard USB-A ports charge much slower.
- Size and weight: There is always a tradeoff between capacity and portability. A 5000mAh charger fits in your pocket. A 20000mAh charger goes in your bag.
- MagSafe compatibility: If you have an iPhone 12 or newer, MagSafe battery packs offer the most convenient charging experience.
- Number of ports: If you carry multiple devices, look for chargers with 2-3 output ports so you can charge everything at once.
Frequently Asked Questions
How many times can a 10000mAh power bank charge an iPhone?
About 2 full charges for most modern iPhones. The iPhone 15 has a 3349mAh battery, so a 10000mAh power bank gives you roughly 2.5 charges accounting for energy loss during transfer.
Is wireless charging from a power bank slower than wired?
Yes, wireless charging is slower than wired, especially USB-C PD. However, the convenience of MagSafe magnetic attachment makes up for it for many people.
Can a portable charger damage my iPhone?
No, not if you use a quality charger from a reputable brand. Modern iPhones have built-in charging management that prevents overcharging or damage from external batteries.
Final Thoughts
The best portable charger is the one you actually carry with you. If it is too big or heavy, it will sit at home when you need it most. Match the capacity to your actual needs and prioritize fast charging if you are always in a rush.