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Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery showing 5500mAh capacity.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery in a vertical orientation.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery showing negative terminal and certifications.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery showing warning label details.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery showing 5500mAh capacity.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery in a vertical orientation.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery showing negative terminal and certifications.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery showing warning label details.

Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery

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$50.95
$44.95

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Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery

Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery

$50.95
$44.95
Description  
The Fenix ARB-L21-5500 is a 21700 rechargeable lithium-ion battery with a nominal capacity of 5500mAh (3.6V, 19.8Wh) and a maximum continuous discharge of 10A. Built-in protection circuitry at the anode guards against overcharge, over-discharge and short circuits.

This battery is compatible with the Fenix TK21R, HT18R V2.0, PD40R V3.0, PD36R V2.0, and more.

Recommended chargers: ARE-X1 V2.0, ARE-D2, ARE-D1, ARE-A2, and ARE-A4.

Features

  • High Capacity: Offers a nominal capacity of 5500mAh.
  • Durable Cycle Life: Rated for 500 charge and discharge cycles.
  • Protection Circuit: Built-in protection circuitry sits at the battery's anode.
  • Multiple Protection: Guards against overcharge, over-discharge, over-current and short circuits.

Package Includes

  • 1 x Fenix ARB-L21-5500

Key Information

Feature Details
Chemistry Lithium-ion
Size 21700
Nominal Capacity 5500 mAh
Nominal Voltage 3.6 V
Nominal Energy 19.8 Wh
Maximum Continuous Discharge 10 A
Recommended Charging Current 1.2 A
Maximum Charging Current 4.5 A
Charge Cycles ≈ 500
Warranty 1 year

Dimensions

Feature Measurement
Diameter 22 mm
Length 76.6 mm
Weight 75 g

Lithium-ion Battery warning: All Li-ion batteries have a risk of fire and/or explosion. Handle batteries with care, ensuring not to overcharge or over discharge, even if the battery contains a protection circuit. If battery is visibly damaged, stop use immediately and dispose of appropriately (Li-ion batteries pose a serious fire risk if thrown into household waste). If a battery is not to be used for over two weeks, store partially charged (30-50%) for maximum capacity retention.

Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery showing 500 charge cycles.
Two Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Batteries on rocks.
Technical parameters for the Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery with multiple protection features.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery in a flashlight showing 10A output.
Fenix ARB-L21-5500 - 5500mAh Protected Rechargeable 21700 Li-ion Battery, high-performance overview.
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