Features: Spliceable design: With the characteristic of spliceable, it is convenient to battery diy assembly and adjust the number of batteries to meet different application needs. Non welding installation: Adopting a weldingless installation way simplifies the assembly process of the battery box holder, reduces welding risks and maintenance cost Quality materials: Using quality fire-resistant materials and copper pillars, providing stable electrical connections and durability, ensuring safe and reliable battery assembly. High current conduction: Designed with high current copper column, it can withstand high current conduction and is suitable for high powered electronic devices and application scenarios. Application: Suitable for DIY production of various electronic devices, such as portable power supplies, wireless cameras, etc., providing reliable battery assembly and connection solution. Specifications: Material: ABS+Metal Type: 10pcs Battery Slot with 20pcs Connector Sheet, 20pcs Battery Slot with 40pcs Connector Sheet(optional) Suitable for 18650 Batteries Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 1 Set Splicable Battery Slot with Connector Sheet