If you travel often or spend time on the go, a power bank is one of the most essential tech accessories you can own. The good news? You don’t have to break the bank. In 2025, there are dozens of reliable and feature-packed power banks under $50 that can keep your devices charged wherever you are.
This guide explores the best power banks for travel under $50, focusing on portability, capacity, speed, and features that matter to travelers.
Why You Need a Power Bank While Traveling
Whether you’re on a road trip, camping, flying, or exploring a new city, running out of battery is the last thing you want. A good power bank:
- Keeps your phone, tablet, or smartwatch charged
- Acts as a backup in emergencies
- Saves you from hunting for wall outlets
- Powers up multiple devices simultaneously
What to Look for in a Travel Power Bank
H3: 1. Battery Capacity (mAh)
- 10,000mAh: Good for 1–2 full phone charges
- 20,000mAh: Great for multiple charges or charging multiple devices
H3: 2. Portability
- Choose lightweight, slim models that fit in your pocket or bag
H3: 3. Charging Speed
- Look for fast-charging technologies like USB-C PD (Power Delivery) or Quick Charge 3.0
H3: 4. Number of Ports
- Useful for charging your phone and earbuds simultaneously
H3: 5. Durability
If you travel a lot, choose rugged or water-resistant options
Top 8 Power Banks for Travel Under $50 (2025)
1. Anker PowerCore Slim 10000 PD
- Capacity: 10,000mAh
- Ports: 1 USB-C PD, 1 USB-A
- Why it’s great: Ultra-slim, fast-charging, airline-friendly
- Price: ~$35
2. Baseus 20,000mAh USB-C Power Bank
- Capacity: 20,000mAh
- Ports: USB-C PD + dual USB-A
- Why it’s great: High capacity for price, solid build
- Price: ~$45
3. Xiaomi Mi Power Bank 3
- Capacity: 10,000mAh
- Ports: USB-C, USB-A
- Why it’s great: Sleek design, reliable performance
- Price: ~$25
4. INIU 10500mAh Portable Charger
- Capacity: 10,500mAh
- Ports: 2 USB-A, 1 USB-C
- Why it’s great: Affordable, compact, includes flashlight
- Price: ~$23
5. AUKEY Basix Pro Wireless Power Bank
- Capacity: 10,000mAh
- Ports: USB-C, USB-A, Wireless pad
- Why it’s great: Wireless charging + built-in stand
- Price: ~$40
6. RAVPower 20000mAh Power Bank
- Capacity: 20,000mAh
- Ports: USB-C, 2 USB-A
- Why it’s great: Huge capacity, great for long trips
- Price: ~$49
7. iWALK Mini Portable Charger (USB-C)
- Capacity: 4,500mAh
- Ports: USB-C (built-in)
- Why it’s great: Ultra-compact, pocket-size, ideal for emergencies
- Price: ~$27
8. Romoss Sense 8+ 30,000mAh
- Capacity: 30,000mAh
- Ports: USB-C, 2 USB-A, Micro-USB
- Why it’s great: Massive power for price, can charge laptop or multiple phones
- Price: ~$49.99
Power Bank Comparison Table
| Model | Capacity | Fast Charging | Ports | Weight | Price |
|---|---|---|---|---|---|
| Anker PowerCore Slim | 10,000mAh | Yes (USB-C PD) | 2 | Light | $35 |
| Baseus 20,000mAh | 20,000mAh | Yes | 3 | Medium | $45 |
| Xiaomi Mi PB3 | 10,000mAh | Yes | 2 | Light | $25 |
| INIU Charger | 10,500mAh | Yes | 3 | Light | $23 |
| AUKEY Basix Pro | 10,000mAh | Yes + Wireless | 3 | Medium | $40 |
| RAVPower 20K | 20,000mAh | Yes | 3 | Heavy | $49 |
| iWALK Mini | 4,500mAh | No | 1 (built-in) | Ultra-Light | $27 |
| Romoss Sense 8+ | 30,000mAh | Yes | 4 | Heavy | $49.99 |
Travel Tips for Using Power Banks
- Check Airline Regulations: Most airlines allow power banks under 100Wh (approx. 27,000mAh) in carry-on bags.
- Pre-charge Your Power Bank: Always charge it to 100% before long trips.
- Use a Reliable Cable: Cheap cables can limit charging speed or damage your devices.
- Turn Off Devices While Charging: This allows quicker and more efficient charging.