Fits standard 18650 Liion cells with a secure locking mechanism that prevents accidental disconnection and keeps power delivery steady across electronics projects ABS plastic Battery Holder with red and black wires provides a clear, reliable power connection and easy polarity identification for robotics and electronics Designed for powering portable devices, robotics projects, experiments, and electronic prototyping applications, helping you test and iterate with confidence An essential power solution for electronics enthusiasts, students, engineers, and makers who need a reliable, easy to swap battery option for prototypes Key attributes Function: single cell 18650 battery holder with lock to secure the cell in place during use Compatibility: standard 18650 Liion cells Material: ABS plastic construction for durability Wiring: includes red and black wires for straightforward positive and negative connections Performance: secure connection reduces risk of intermittent power and simplifies battery changes Use scenarios Educational robot: assemble a small mobile robot that uses one 18650 cell; the locking holder keeps the battery secure during movement while red and black wires simplify integration with motor drivers and controllers Portable handheld device or measurement tool: power a handheld prototype that requires easy battery swaps; quick changes minimize downtime during testing Electronics prototyping and experiments: build and test circuits that rely on readily replaceable power sources; the secure lock and clear wiring streamline workflow for students and engineers Why choose this holder Reliable power management with a secure lock design Clear polarity wiring and robust ABS housing Simple integration with a wide range of 18650 powered projects Practical, durable solution for both learning and professional prototyping