Battery 101


Pair of 21700 4x3 cell holder

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These 21700 4x3 cell spacer which can house 12 cells are ideal for bespoke battery packs creating better thermal management by allowing adequate air flow to each cells. 

They can be clipped together to create an unlimited size battery pack and are the ideal accessory for DIY'ers pack builders. 


  • Item Type: 21700 4x3 cell holder
  • Material: ABS Plastic
  • Dimension: L=70mm W=93.5mm H=9mm
  • Diameter of hole: 21.65mm
  • Colour: Black
  • Quantity: 1 Pair (2 Pieces)

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