Based on this product's specifications, here are some alternatives and similar models
Hama Pocket 10 Power Bank 10000 mAh Lithium Polymer Sand
Summary description:
The Hama Pocket 10 is a portable power bank with a 10000 mAh lithium polymer battery. It features two USB Type-A output ports and one USB Type-C port, allowing for the simultaneous charging of up to two devices. With an output current of 2.1 A, it is compatible with smartphones, tablets, smartwatches, and portable speakers. Its compact design in a sand color makes it an ideal travel companion for reliable mobile power.