Battery 101


21700 Double Cell holder / spacer

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These 21700 Double cell spacer 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 1x2 cell holder
  • Material: ABS Plastic
  • Dimension: L=48mm W=25mm H=9mm
  • Diameter of hole: 21.65mm
  • Colour: Black
  • Quantity: 1 Piece

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