20700/21700 There are 3 products.

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  EnerCig EC-40T 21700 4000mAh flat

  EnerCig Rechargeable 4000mAh EC-40T 21700 Lithium Li-ion Batteries 30A flat top.

  
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• 

  EnerCig EC-2173HC 21700 3050mAh (35A) flat top

  EnerCig EC-2173HC Rechargeable 3050mAh EC-30T  21700 Lithium Li-ion Batteries 35A flat top.

  
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• 

  EnerCig EC-27HC 20700 3500mAh (35A) - flat

  EnerCig EC-27HC Rechargeable 3500mAh 3.6V 20700 Lithium Li-ion Batteries without pin.

  
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