The thinnest MagSafe charger I've tested adds almost no weight to my iPhone
The Baseus Picogo AM41 is an ultra-slim MagSafe power bank offering 5,000mAh capacity in a wallet-sized form factor with 15W wireless charging and strong magnetic attachment.
Top 10 World's Thinnest MagSafe Power Banks That Give Your Phone Battery Without Any Bulk - Yanko Design
Ultra-slim flagship phones prioritize thinness over battery capacity, creating demand for sub-10mm MagSafe power banks to preserve battery life without adding bulk.