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21700 Lithium-Ion 4000mAh Rechargeable Battery (JST Connector) for FLi-PRO Flashlight

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The 21700 Lithium-Ion rechargeable battery with JST Connector is used in FLi-PRO Telescoping Light. This version holds 4000 Milliamp Hours of charge. Great as a back up battery!

This 4000mAh battery is found in the new FLi-PRO Telescoping Light and is our highest capacity battery available providing it with the longest runtime.

FLi-PRO Telescoping Light


  • 4000 mAh battery extra high capacity Lithium-ion cell
  • JST Connector

[1] 21700 Li-ion rechargeable 4000 mAh battery