A sturdy 2-cell battery holder for 18650 lithium-ion batteries. It securely holds two batteries in series or parallel configurations and includes pre-soldered wires for easy integration into circuits and projects. Feature Fits standard 18650 batteries Pre-soldered leads for easy connection Durable ABS plastic housing Compact and lightweight design Reliable spring-loaded terminals Applications Portable power supplies DIY electronics and robotics Power banks and flashlights Battery-powered IoT devices