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Joomcy
Jumbo Capacity 20,000 mAh Waterproof Solar Power Bank
€322,13
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Waterproof Solar Power Bank (20,000mAh) – USB-C + Dual USB
Stay powered anywhere with a rugged 20,000mAh solar power bank designed for outdoor life. Featuring dual USB outputs, plus USB-C and Micro-USB input options, it’s a reliable backup battery for camping, hiking, travel, and emergencies.
☀️ Solar Recharge Support
🔋 20,000mAh Large Capacity
🔌 2x USB Output Ports
⚡ USB-C + Micro-USB Input
💧 Waterproof Rugged Build
Why you’ll want it
- Big capacity backup: keeps phones and devices running when power is unavailable.
- Charge two devices: dual USB outputs for sharing power on trips.
- Flexible recharging: use USB-C or Micro-USB for faster everyday charging.
- Solar top-up option: helpful for emergency trickle charging outdoors (best in direct sun).
- Outdoor-ready design: waterproof rugged shell for camping and hiking conditions.
Tip: For fastest charging, recharge via USB (USB-C/Micro-USB). Use solar mainly as a backup top-up.
Key features
Capacity
20,000mAh
Outputs
2 x USB (charge 2 devices)
Inputs
USB-C + Micro-USB
Use case
Camping, hiking, travel, emergency
Watch it in action
Perfect for
- Camping & hiking trips
- Power outages & emergency kits
- Travel days (airport / road trips)
- Outdoor festivals and day trips
Outdoor charging tips
- Fully charge via USB before your trip (fastest method).
- For solar, place it in direct sun with the panel facing upward.
- Solar charging is best as a backup top-up, not a replacement for USB charging.
- Keep ports covered/dry when not in use, especially in wet environments.
- Use short, good-quality cables to reduce charging loss.
Note: Solar performance varies with sunlight intensity, temperature, and panel angle.
Frequently Asked Questions
Can it charge two devices at once?
Yes. It includes dual USB outputs so you can power two devices simultaneously.
Is solar charging fast?
Solar is typically slower and works best as an emergency top-up. For the fastest charge, use USB-C or Micro-USB input.
Is it waterproof?
It’s designed with a rugged waterproof-style build for outdoor use. Avoid fully submerging it unless the model specifically states submersion rating.
What devices can I charge?
Phones, earbuds, small gadgets, and many USB-powered devices. Check your device power requirements for best compatibility.
Jumbo Capacity 20,000 mAh Waterproof Solar Power Bank
€322,13
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