Based on this product's specifications, here are some alternatives and similar models
Portable Battery Boompods Neutron Fold 16000 mAh
Summary description:
The Boompods Neutron Fold is a portable battery with a capacity of 16000 mAh, utilizing Lithium-Ion technology. It features 2 USB Type-A output ports and 1 USB Type-C port, allowing for versatile charging options. The sleek black design makes it a stylish accessory for on-the-go charging.