Introduction
When you’re exploring remote areas or traveling off-grid, staying connected and powered up can be a challenge. That’s where solar power banks come in. These portable chargers use solar panels to recharge, giving you backup power for your phone, GPS, camera, or other extremely important devices–without needing access to an outlet.
This guide covers the top-rated solar power banks of 2025, along with their features, pros, and ideal use cases for travelers.
Key Features to Look For
Before choosing a solar power bank, consider these critical factors:
Feature | Why It Matters |
---|---|
Battery Capacity (mAh) | Higher mAh = more charges for your devices. |
Solar Charging Speed | Larger/multi-panel setups charge faster in sunlight. |
Ports (USB-C, USB-A, Wireless) | Compatibility with multiple devices. |
Durability (IP rating) | For outdoor use, look for waterproof and shockproof designs. |
Size & Weight | Important for backpackers or light travelers. |
Additional Features | Flashlight, compass, wireless charging, carabiner, etc. |
Quick Comparison Table
Model | Battery | Solar Charging | Water Resistance | Weight | Best Use |
---|---|---|---|---|---|
BigBlue SolarPowa | 25,000 mAh | High (28W) | IPX5 | Medium | Long expeditions |
Anker PowerCore Solar | 20,000 mAh | Low (1.5W) | IP64 | Light | Daily travel/emergency |
Blavor Solar Charger | 10,000 mAh | Very Low | IPX4 | Light | Occasional hikers |
Hiluckey Charger | 26,800 mAh | High (4 panels) | Splash-proof | Heavy | Base camp, remote travel |
Goal Zero Venture Kit | 19,200 mAh | Medium (10W) | Waterproof | Medium | Premium off-grid kit |
Top Solar Power Banks for 2025
1. BigBlue SolarPowa 28W with Power Bank
- Battery: 25,000 mAh
- Solar Panel: 28W foldable panel (detachable)
- Ports: 2ÖUSB-A, 1ÖUSB-C
- Extras: IPX5 water-resistant, overcharge protection
- Best For: Serious campers, multiple device charging
- Fast solar charging with detachable panels
2. Anker PowerCore Solar 20000
- Battery: 20,000 mAh
- Solar Panel: 1.5W trickle panel (for emergencies)
- Ports: USB-C PD, USB-A
- Extras: IP64, built-in flashlight, rugged design
- Best For: Reliable brand, emergency solar backup
- Great build, slow solar charging
3. Blavor Solar Charger Power Bank (10,000 mAh)
- Battery: 10,000 mAh
- Solar Panel: Small built-in
- Ports: USB-A, USB-C, wireless pad
- Extras: Compass, flashlight, IPX4 water-resistant
- Best For: Light travel, weekend hikes, backup use
- Budget-friendly with wireless charging
4. Hiluckey Outdoor Solar Charger (26,800 mAh)
- Battery: 26,800 mAh
- Solar Panel: Quad fold-out solar panels
- Ports: 2ÖUSB-A, 1ÖUSB-C
- Extras: LED flashlight, water/dust resistant
- Best For: Long trips, remote camping
- Fastest solar charging under full sun
5. Goal Zero Trip/business 75 + Wanderer 10 Solar Kit
- Battery: 19,200 mA
- Solar Panel: 10W detachable pane
- Ports: USB-C PD, USB-A
- Extras: Rugged, waterproof, modular system
- Best For: Higher price/higher cost quality, modular travel systems
- High-end gear for serious off-grid travelers
Tips for Off-Grid Use
Pre-charge at home: Solar charging is slow—top up via wall socket before your trip.
Keep it exposed: Attach to your backpack or tent for continuous solar gain.
Use power wisely: Turn on airplane mode and dim your screen to save energy.
Invest in quality: Cheap models may have poor panels or low efficiency.
Conclusion
A reliable solar power bank can be a lifesaver when you’re off the grid. Whether you’re backpacking in the Himalayas or road-tripping across the desert, choosing the right one comes down to your needs: high capacity, fast charging, rugged build, or lightweight convenience.
For best results, pair your power bank with a small foldable solar panel if you’re staying off-grid for several days. It’s a small investment for peace of mind and power independence.