CUKTECH 20 Power Bank, 25000mAh 3-Port MAX 210W Laptop Portable Charger, Fast Charging Battery Pack for Travel and Gaming, for Xiaomi, Redmi, Poco, MacBook, iPhone, ipad, Samsung, Honor, Switch, etc

21700 Automotive-Grade Battery Cells: Built to last with over 1000 charge cycles while retaining more than 80% capacity. Even at 2% remaining power, it still has over 90% output ability. Hardware protections against overcharge, overcurrent, and overheating ensure safe, reliable charging anytime.