UGREEN Nexode Wireless Power Bank (10000mAh, Qi2 15W, PD 20W)

What you can try when it stops outputting: 1. Short-press the switch button or connect the external power adapter to reactivate it; 2. Just move the product to a normal temperature environment and let it stand for a while, and click the button; 3. Check if 'optimized battery charging' is turned on