A charging cable that works on day one is table stakes. We report what happens on day ninety.

No review publishes before 8 weeks of continuous carry. That number isn’t arbitrary — it reflects where the actual failure distribution concentrates. A cable connector that seats fine on day one starts showing fatigue at the bend point somewhere between weeks five and seven under daily use. A case that holds its corners against a concrete floor at week two may begin delaminating at the edge-seam by week six as the adhesive cycles through heat and cold.

What 48-hour reviews miss: accumulated lint compaction inside charging ports, the first signs of coating wear on high-contact surfaces, whether a power bank’s claimed capacity holds after forty charge cycles rather than four. We set the floor at eight weeks because below that threshold you are describing a product’s press-tour behavior, not its behavior.

Every product reviewed here was purchased at full retail price from a standard consumer channel — Amazon, Best Buy, a brand’s own storefront, or a physical carrier store. No manufacturer samples, no review units, no early-access programs.

The problem with manufacturer samples isn’t that brands are malicious — it’s structural. Review units arrive pre-configured, frequently come with firmware or batch tolerances that aren’t representative of what ships to warehouse. More importantly, they arrive on the brand’s schedule, which means reviews cluster around launch windows. We’re not interested in launch-day behavior. We’re interested in what someone buying the product on a random Tuesday three months after launch actually gets — that’s the product you’re reading about when the review publishes.

A product doesn’t live in one environment. We document across four distinct contexts — pocket carry, bag carry, car mount, and desk use — because each one surfaces different failure modes and each one is how a significant fraction of buyers actually use it.

Pocket carry surfaces lint accumulation in ports and speaker grills, coating wear on the most-touched surfaces, and case flex under sitting pressure. Bag carry reveals connector angle fatigue from cables that repeatedly fold under the same stress vector, plus edge delamination from key contact on case corners. Car mount use introduces thermal cycling in direct sunlight — adhesive mounts that hold at 68°F may release at 130°F on a dashboard in July. Desk use is where we catch charging speed variation under sustained load and document how a cable’s claimed output changes after week four versus week one.

Every published review links to its entry in the public Failure Index — a timestamped log of products that degraded, failed, or changed meaningfully after their initial review verdict.

When a product we originally passed starts delaminating at month four, or when a cable we recommended for durability shows connector creep at week twelve, the Failure Index records it. The entry is timestamped, the original verdict badge changes on the review page, and the context of the failure is noted — whether it’s batch variation, a firmware change, or just normal wear past the tested lifespan. A positive verdict in this system means the product held up through the review period. It does not imply permanent durability. That distinction matters, and we make it explicit on every page.