21W/28W Portable Solar Panel Charger 25% Solar Energy Conversion Rate IPX5 Waterproof Compatible with Various Fast Charging Protocols

Features:
High-efficiency solar conversion: With a 25% solar energy conversion rate, it provides lasting power for your devices.
Dustproof and waterproof design: IP54 dustproof and waterproof, suitable for various outdoor environments.
Wide compatibility: Compatible with mainstream fast charging protocols such as Apple, Huawei FCP, Xiaomi QC3.0/2.0, meeting the charging needs of various devices.
Multiple protections: Overvoltage, short circuit, overcurrent, overcharge, overdischarge, overpower, electromagnetic field, temperature, refresh, anti-reverse protection, ensuring safe electricity use.
Portable folding design: Lightweight and easy to carry, it is the ideal choice for outdoor travel, camping, and self-driving tours.