The Fenix ARB-L18 lithium-ion rechargeable power cell in 18350 format delivers reliable energy storage designed specifically for compact tactical flashlights, portable illumination tools, and electronic devices. Featuring a robust 1600mAh capacity within a miniature footprint, it provides consistent power delivery and extended runtimes for demanding applications.

The cell incorporates a durable outer steel shell to safeguard against physical impacts and potential short circuits. An advanced protective circuit board built into the anode shields the unit against over-charging, over-discharging, thermal overload, and short-circuiting. Utilizing modern lithium-ion chemistry, the battery exhibits no memory effect and maintains high overall efficiency across hundreds of charge cycles.

Technical specifications:

Brand: Fenix

Model: ARB-L18 1600

Size Standard: 18350

Chemistry: Lithium-ion (Li-ion)

Capacity: 1600mAh

Nominal Voltage: 3.6V / 3.7V

Cycle Life: Over 500 standard charge cycles

Dimensions: Diameter 18.75mm x Length 39.2mm

Weight: 40g

Package contents:

1x Fenix ARB-L18 18350 Rechargeable Battery

Usage and care instructions:

Always charge using a compatible smart charger intended for lithium-ion cells.

Insert the battery following the correct positive and negative polarity markings.

Avoid complete voltage depletion to maximize long-term operational lifespan.

Store in a cool, dry place away from direct sunlight or intense heat sources.

Safety warnings: Compliant with general consumer safety guidelines. WARNING: Do not disassemble, short-circuit, puncture, or expose to fire or high temperatures. Never leave lithium batteries charging unattended. Keep out of reach of children.