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21700 Batteries

21700 Batteries are the high energey density batteries that support super bright flashlights with extended runtime. Learn more at 21700 Battery Guide: What You Need to Know
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NITECORE NL2150 21700 5000mAh Rechargeable Li-ion Battery Used Nitecore NL2150 5000mAh Rechargeable 21700 Battery - USED

  • Gently Used Product
  • Battery Type: 21700
  • Capacity: 5000mAh
  • Rechargeable

Used Price: $16.96

(3)
NITECORE NL2150 21700 5000mAh Rechargeable Li-ion Battery Nitecore NL2150 5000mAh Rechargeable 21700 Battery

  • Battery Type: 21700
  • Capacity: 5000mAh
  • Rechargeable

Price: $21.95

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Nitecore NL2150RX 21700 500mAh USB-C Rechargeable Battery Nitecore NL2150RX 5000mAh USB-C Rechargeable 21700 Battery

  • Battery Type: 21700
  • Capacity: 5000mAh
  • USB-C Rechargeable

Price: $22.95

(5)
Nitecore NL2153 5300mAh Rechargeable 21700 Battery Nitecore NL2153 5300mAh Rechargeable 21700 Battery

  • Battery Type: 21700
  • Capacity: 5300mAh
  • Rechargeable

Price: $22.95

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NITECORE NL2142LTP Cold Weather 21700 Battery Nitecore NL2142LTP Cold Weather Low Temperature 21700 Battery


  • Battery: 21700

  • Type: Rechargeable

  • Temperature Range: -40F - 122F

Price: $23.95

(3)
Nitecore NL2153HP 5300mAh Rechargeable 21700 Battery Nitecore NL2153HP 5300mAh Rechargeable 21700 Battery

  • Battery Type: 21700
  • Capacity: 5300mAh
  • Rechargeable

Price: $24.95

(5)
NITECORE NL2150HPi 21700 5000mAh Rechargeable Li-ion Battery Nitecore NL2150HPI 5000mAh Rechargeable Battery for i Series Flashlights (P20i, P20iX, SRT6i, etc)

  • Battery Type: Customized 21700i
  • Capacity: 5000mAh
  • >15A Rechargeable Battery

Price: $25.95

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Nitecore NL2160HP 6000mAh Rechargeable 21700 Battery Nitecore NL2160HP 6000mAh Rechargeable 21700 Battery

  • Battery Type: 21700
  • Capacity: 6000mAh
  • Rechargeable

Price: $26.95

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NITECORE NL2150HPR 21700 5000mAh USB-C Rechargeable Li-ion Battery Nitecore NL2150HPR 5000mAh USB-C Rechargeable 21700 Battery, High Performance

  • Battery Type: 21700 (for E4K flashlight)
  • Capacity: 5000mAh >15A Max Continuous
  • USB-C Rechargeable

Price: $28.95

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NITECORE Intelligent 21700 Battery System - MPB21 Kit: Lantern, Dual Function Battery Charger Nitecore Intelligent 21700 Battery System - MPB21 Kit: Lantern, Dual Function Battery Charger

  • LED: High CRI >90 Neutral LED
  • Brightness: 80 Lumen
  • Battery: 5000mAh NL2150HPi 21700

Price: $34.95

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Which 21700 Battery Works for Your Flashlight?