Features: Unleashes your creativity and power projects with Energy Storage Kit, featuring 18650 Battery Holder Case that supports multiple configurations like 2S3P, 3S2P, and 1S6P for tailored energy Solution. from PC+ABS material, this splicable battery holder ensures a secure for batteries and facilitates current applications for soldering, making it for enthusiasts and professional. for electronics hobbyists with foundational understanding of battery series connections, this kit offer engaging experience in assembling and customizing own power sources. Whether building power supply, creating portable charger, or developing energy storage Systems, this battery holder case box bracket is a practical component for various power applications. With easy to assemble and busbars, this battery holder not only simplifies installation but also maximizes conductivity, ensuring power Solution efficient . Specifications: Materials: Size:66x47mm Package Includes: 1Set 18650 Battery Holder note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.