Ultimate 500000mAh Waterproof Solar Power Bank with Dual USB
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Durable Waterproof Solar Power Bank – Dual USB Ports for On-the-Go Charging
Experience the freedom of portable power with our solar-powered external battery, expertly crafted for outdoor adventures. This power bank features solar charging capabilities and two USB ports, enabling you to harness sunlight for emergency power while charging multiple devices at once.
Notable Attributes
Simultaneous Dual USB Outputs
Designed with two output ports, this power bank allows you to charge two devices concurrently (5V 1.0A and 5V 2.1A).
Built-in LED Flashlights
Equipped with two integrated LED lights to enhance visibility during nighttime or low-light situations.
Reliable Safety Features
Incorporates protection against overcharging, short circuits, and leakage through advanced internal circuitry.
IP44 Water-Resistant Rating
Engineered to resist splashes, making it perfect for outdoor use.
Compact and Lightweight
Its slim design allows for effortless transport in your bag or backpack.
Technical Details
- Battery Capacity: 500,000 mAh (nominal; actual capacity may vary)
- Input: DC 5V 1.0A
- Output 1: DC 5.0V 1.0A
- Output 2: DC 5.0V 2.1A
- Maximum Solar Charging Load: 1W
- Waterproof Rating: IP44
- Dimensions: 5.39 x 2.95 x 0.79 inches
- USB Ports: 2
- Flashlight: 2 built-in LED lights
Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.