the battery-free locking solution—a breakthrough in access control that harnesses energy harvesting technology to deliver truly maintenance-free security.

China has long been the world's manufacturing powerhouse, but in recent years, it has evolved far beyond simple production. Today, China stands at the forefront of smart lock innovation — particularly in the rapidly growing field of passive NFC locks. As global demand for maintenance-free, battery-free access control surges, businesses around the world are turning to China passive NFC lock suppliers to source reliable, cost-effective, and technologically advanced locking solu

A battery-free NFC lock (Passive NFC Lock) is a smart lock that does not require a battery or an external power source. It overcomes the limitation of traditional electronic locks, which rely on built-in batteries for power, and delivers a “zero-maintenance, never-shuts-down” smart locking experience. KERONG has been at the forefront of lock R&D and manufacturing for 24 years. Our battery-free NFC locks are trusted by businesses worldwide to secure their most valuable assets

Battery-free NFC locks — a revolutionary leap in access control technology that eliminates batteries entirely while delivering enterprise-grade security and unmatched convenience.

KERONG's passive electronic locks offer the perfect balance of innovation, durability, and cost-efficiency.

KERONG Hardwired Smart Lock for Smart Storage Lockers Across Every Industry