Wireless vs wired portable charging which is better?

Wired is faster, more efficient, and cheaper. Wireless (Qi/MagSafe) is more convenient just snap or set your phone down. Wireless loses 30 40% of energy as heat during transfer, meaning a 5,000mAh wireless battery delivers fewer charges than a 5,000mAh wired one. Use wireless for convenience (MagSafe snap on), wired for speed and efficiency.