Why Your Phone says ‘accessory not supported’ or similar — and How to Fix It
When a phone says 'accessory not supported' or similar, the cause is almost always one of a handful of things…
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Category: Troubleshooting & Safety
Diagnosing charging problems and understanding battery and electrical safety.
Why Your Ev charging session stops with an error code — and How to Fix It
When a EV charging session stops with an error code, the cause is almost always one of a handful of…
Why Your Charger makes a buzzing or clicking sound — and How to Fix It
When a charger makes a buzzing or clicking sound, the cause is almost always one of a handful of things…
Why Do Two ‘Identical’ Chargers From the Same Listing Charge Differently?
Short answer: Manufacturing tolerances and, less charitably, inconsistent quality control on lower-cost electronics can produce real performance variation even within…
Do Charging Cables Wear Out Even Without Visible Damage?
Short answer: Yes — internal wire strands can fatigue and break from repeated bending well before the outer jacket shows…
Is It Safe to Charge a Phone in a Car With the Engine Off?
Short answer: Yes, for reasonable periods — but extended charging with the engine off draws down the car's starter battery,…
Why Does an EV Sometimes Not Start Charging Immediately When Plugged In?
Short answer: Many EVs run a brief connection and communication check with the charger before starting a session, and some…
Can You Charge a Phone and Use It as a Hotspot at the Same Time?
Short answer: Yes — using a phone as a hotspot while charging draws more power than either activity alone, which…
Can You Use A smart plug With Monitoring a charger’s power draw?
Whether a smart plug works as expected with monitoring a charger's power draw usually comes down to whether both sides…
Can You Use Two power banks With Charging each other?
Whether two power banks works as expected with charging each other usually comes down to whether both sides support a…