Based on this product's specifications, here are some alternatives and similar models
Powerbank Voltcraft VC-C902 10000 mAh USB Power Delivery 3.0 Li‑Ion, grey, status display
Summary description:
Voltcraft VC-C902 is a 10000 mAh portable powerbank with Li‑Ion battery chemistry and USB Power Delivery 3.0 support. It provides mobile charging for smartphones, tablets and other USB devices, and features a status display to indicate charge level. The matt grey finish suits everyday carry and travel use.