Use certified or reputable chargers and cables

Charge your phone with the original charger or a certified third-party alternative from a reputable brand. Low-quality chargers can deliver unstable voltage and current, which stresses the battery and may damage charging circuitry over time.

Why It Works

Certified chargers adhere to standards like USB Power Delivery (PD) and communicate properly with your phone's charging controller, delivering the correct voltage and current. Cheap unbranded chargers often lack proper voltage regulation and safety circuits, leading to inconsistent power delivery that generates excess heat and accelerates battery wear.

Tips

• Reputable third-party brands like Anker, Belkin, and Ugreen are safe alternatives to OEM chargers
• Look for USB-IF certification or MFi certification (for Apple devices) on packaging
• Avoid extremely cheap chargers from unknown brands, especially those sold without any certification markings
• A damaged or frayed cable can also cause charging issues -- replace cables that show visible wear