Name the job
Describe what you need the product to do in one sentence. If you cannot name a clear use, save it for later. A product earns its place when it fits into something you already do.
Check compatibility
Look for the exact model numbers, connectors, operating systems and power requirements listed by the manufacturer. A connector fitting physically does not establish which features or charging speeds it supports.
Read what is included
Check whether cables, adapters, batteries or replacement parts are included. Look at dimensions and materials as well as photographs. Compare the final delivered cost rather than the headline price.
Make support part of the choice
Read the seller's delivery, returns and warranty terms before ordering. Keep the product description and order confirmation so you have a record of what you purchased.