This 21700 battery holder bracket is designed for assembling DIY battery packs with enhanced safety and modular flexibility. Constructed from high-quality ABS+PC material, the bracket offers excellent structural integrity, flame resistance, and a lightweight design ideal for custom battery builds.

Key Features:

• Premium Material: Made from fire-retardant, high-strength ABS+PC plastic for safe and stable battery pack assembly.
• Modular Design: Each bracket includes edge card slots for easy and customizable stacking combinations.
• Heat Dissipation: Open-frame design with precise spacing ensures proper airflow for thermal management.
• Multiple Configurations: Supports various layouts including 1x2, 1x3, 3x4, and 4x5 cell formats.

Technical Specifications:

• Material: ABS + PC
• Color: Black
• Battery Compatibility: 21700 cells
• Aperture Sizes: 21.2mm and 21.7mm (choose based on battery diameter)
• Dimensions:
  • 1x2: 23.4×46.8mm (21.7mm aperture) / 23×46mm (21.2mm aperture)
  • 1x3: 23.4×70.2mm (21.7mm) / 23×69mm (21.2mm)
  • 3x4: 70.2×93.6mm (21.7mm) / 69×92mm (21.2mm)
  • 4x5: 115×92mm (21.2mm only)

Note:

Top and bottom holders are required for proper installation. Please measure your battery diameter and choose the correct aperture (21.2mm or 21.7mm) before purchasing.