20000mAh Waterproof Solar Power Bank – Key Features
20000mAh Large Capacity
Built with a high-quality Li-Polymer battery, this solar power bank provides reliable backup power for smartphones, tablets, GPS devices, cameras, and other USB-powered devices. Perfect for outdoor adventures, travel, camping, hiking, and emergency use.
Dual Charging Options
Supports both USB fast charging and solar panel charging. USB charging is recommended for daily use, while the integrated solar panel offers emergency charging when you’re outdoors without access to electricity.
10W Fast Charging
Equipped with Type-C and USB ports, delivering up to 5V/3A output for faster and more efficient charging, reducing waiting time for your devices.
Waterproof & Outdoor Ready
Designed with a durable waterproof housing to withstand rain, dust, and harsh outdoor environments, making it an ideal companion for camping, hiking, fishing, cycling, and other outdoor activities.
Built-in LED Flashlight
Features a bright LED flashlight for emergency lighting, night travel, power outages, or outdoor camping, adding extra safety wherever you go.
LED Power Display
The clear LED digital display shows the remaining battery level in real time, allowing users to monitor power status accurately and recharge when needed.
Slim & Portable Design
Despite its large 20000mAh capacity, the compact size (150 × 75 × 20 mm) and lightweight design (300g) make it easy to carry in backpacks, handbags, or travel gear.
Wide Device Compatibility
Compatible with most USB-powered devices, including iPhone, Samsung, Huawei, Xiaomi, Google Pixel, tablets, Bluetooth speakers, wireless earbuds, smartwatches, and more.
Ideal for Outdoor & Emergency Use
Whether you’re camping, hiking, traveling, climbing, fishing, or preparing for emergencies, this portable solar charger keeps your essential devices powered anytime, anywhere.
OEM & Wholesale Service
- ✅ MOQ: 1,000 PCS
- ✅ OEM & ODM Customization Available
- ✅ Custom Logo Printing
- ✅ Customized Packaging & User Manual
- ✅ Support Sample Orders
- ✅ Factory Direct Supply
- ✅ Fast Production & Worldwide Shipping
Why Choose Us?
- Professional OEM/ODM Manufacturer
- Strict Quality Control
- Competitive Factory Pricing
- Stable Production Capacity
- Fast Response & Professional Export Service
- Flexible Customization Solutions for Your Brand
Looking for a reliable OEM solar power bank supplier? Contact us today to get the latest quotation, customization options, and free consultation for your next project.

















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