October 11, 2026
USB-C describes a connector, while USB Power Delivery (PD) and Quick Charge define ways compatible devices negotiate power; Qi handles inductive charging, and CCS is an EV fast-charging system. This overview compares how each technology works, where compatibility limits arise, and which protections matter for safe operation.
September 22, 2026
A focused, technically rigorous overview of how lithium-ion cells are charged, detailing CC/CV charging, voltage termination, and common safety concerns. Includes concrete parameters and real-world considerations that go beyond generic explanations.