Material and durability Crafted from aluminum, zinc and iron, this lock cylinder delivers strong durability and rust resistance. The sturdy construction provides longlasting performance and reliable protection for your electric bike. Easy handling and installation Easy to handle and install, designed to add no unnecessary weight to your bike while fitting smoothly with existing components. Easy to use The ignition switch with key can be installed directly with no complicated steps, saving time and effort during setup or maintenance. Versatile security This battery secure pack box lock is designed to provide comprehensive security for various parts of your electric bike, including the battery, seat cushion, and battery box. Key benefits Durable, rustresistant construction for reliable longterm protection Lightweight and easy to install without altering ride balance Simple keyoperated ignition switch for quick access and use Versatile security coverage for multiple critical bike components Use scenarios Daily urban commuting: Park your ebike in public areas and secure the battery and battery box with the lock while you run errands or attend meetings. Quick maintenance or component replacement: Use the lock to keep the battery, battery box and seat cushion protected and secure during servicing or swapping parts. Long trips or storage: When storing the bike or taking extended trips, rely on the lock to safeguard the battery and related components from tampering.