The Xiaomi PB2020MI is a 20,000mAh power bank with: * ⚡ 22.5W two-way fast charging * 🔌 USB-C input/output * 🔋 20,000mAh high-capacity battery * 📱 Can charge up to 3 devices simultaneously * 🛡️ Multiple safety protections (overcharge, overheating, short circuit, etc.)