JC Fast - portable battery smaller than ATM card PD with 20-watt power black

About the product: Smaller than a bank card that can be held in one hand and provides a very enjoyable experience. Ports: Type-C port supports fast charging QC3.0. USB-A port supports fast charging QC3.0 and all other charging protocols. Ability to be held with one hand and provides a very enjoyable experience. High-quality lithium battery lasts long, slim and elegant in use. Suitable for travel. Smart protection chip prevents overcharging and overvoltage and protects your devices, making it very safe to use. Agent warranty with the Golden Code for two years.