You should never buy a cheap iPhone cable - it could be riskier than you first thought. Here's why you shouldn't buy cheap Lightning cables, and also how to spot one.
LISEN iPhone Charger Cable (10ft / 3m) USB A to Lightning Cable 10 Feet, Durable Nylon Braided Fast Charging Cord Compatible with iPhone 11/Pro/X/Xs Max/XR/8 Plus /7 Plus/6/ iPad… : Electronics
The Real Reason Apple Doesn't Want To Add A USB-C Port To The iPhone, by Jano le Roux, The Startup
I bought a load of cheap iPhone Lightning cables, and all but one were awful
GMA' Investigates: Inexpensive lightning cables that could harm your phone - Good Morning America
XYYZYZ USB C to Lightning Cable 10FT 【Apple MFi Certified】 iPhone Fast Charger Long Type C to Lightning Cord Compatible with iPhone 12 Pro/12/11 Pro/11/XR/XS/AirPods Pro/iPad Pro/iPad Air/iPad Red : Electronics
Apple just killed the iPhone Lightning connector. What to do with your old chargers
What to do with old Lightning cables after Apple's USB-C switch
Simple yet effective charging is here with the PWRSync Lightning to USB-A cable. Its six-foot length and high-speed charging let you power up your device with much more freedom. What's more, the tangle-resistant braided nylon protects your cable from the wear and tear of daily use.
Tzumi 6 ft. Ultra Tough Lightning Cable
Are Cheap Lightning Cables Safe?