21700 - 13S3P cell holders square for a 48V battery

DIY500AMP.COM

This 3D model is a 13S3P battery holder specifically designed for 21700 lithium-ion cells. It allows for secure alignment and spacing of 13 series and 3 parallel configurations, making it ideal for building 48V battery packs for electric bikes, scooters, or other DIY projects. The holder ensures proper insulation, stability, and airflow, reducing the risk of overheating and improving the longevity of your battery pack.

The design features a rounded layout, optimized for compact battery builds where space is critical. It is 3D-printable and compatible with most common materials like PLA, PETG, or ABS. The model includes precise dimensions to snugly fit 21700 cells, preventing movement during assembly or use.

This cell holder is perfect for hobbyists, engineers, or makers looking to create high-performance and durable battery packs.