Two Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries on a black background
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery and charging options with text on a stone
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with recycling symbol on a dark background, highlighting environmental friendliness.
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with multiple protection features highlighted on a dark background
Two Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries on a dark textured surface with text highlighting their high capacity.
Fenix ARB-L16-1050UP USB rechargeable battery on a green moss background
Technical parameters of a Fenix ARB-L16-1050UP USB Rechargeable 16340 battery displayed on a dark background
Orange and black Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with 'Fenix' branding on a white background
Two Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries on a black background
Two orange Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries with black labels on a black background
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with 1050mAh capacity on a black background
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with orange and black design on a white background
Two Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries on a black background
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery and charging options with text on a stone
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with recycling symbol on a dark background, highlighting environmental friendliness.
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with multiple protection features highlighted on a dark background
Two Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries on a dark textured surface with text highlighting their high capacity.
Fenix ARB-L16-1050UP USB rechargeable battery on a green moss background
Technical parameters of a Fenix ARB-L16-1050UP USB Rechargeable 16340 battery displayed on a dark background
Orange and black Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with 'Fenix' branding on a white background
Two Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries on a black background
Two orange Fenix ARB-L16-1050UP USB Rechargeable 16340 batteries with black labels on a black background
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with 1050mAh capacity on a black background
Fenix ARB-L16-1050UP USB Rechargeable 16340 battery with orange and black design on a white background

Fenix ARB-L16-1050UP Rechargeable 16340 Battery

$12.95
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Purpose-built for rugged outdoor use, the Fenix ARB-L16-1050UP combines reliable 16340 chemistry with intelligent power systems. Featuring a built-in USB Type-C port, this battery allows 3 methods of charging: directly via the USB-C port, in an outside charger, or even inside a flashlight with a USB port. This unmatched convenience means that you're never more than a few seconds away from your next recharge, regardless of what tools you have available to you at the time.

Its discharge profile supports sustained high-drain applications while an embedded safety circuit monitors voltage, temperature, and charge state across multiple protection tiers. Rated for 500+ full cycles, this rechargeable cell minimizes environmental impact and long-term battery costs compared to single-use alternatives, making it ideal for field professionals and serious enthusiasts.

Note: This item is packaged and priced for one single battery. 

Shipping Note: Lithium ion batteries are considered "dangerous goods" per US transportation regulations and can often only be transported via ground shipment. Orders containing loose batteries will typically take much longer than predicted to be delivered. Delivery times of 14+ days are common. 

Voltage: 3.6 V
Charging Current: 0.21A recommended, 0.735A maximum
Size: <0.66 x 1.36 inches

The Fenix ARB-L16-1050UP redefines field convenience with integrated USB-C charging. Power up directly via the port, through a standalone charger, or inside any USB-equipped flashlight. This triple-charging flexibility eliminates dependency on specific gear, ensuring you're always minutes away from a full charge regardless of your available tools. Built on proven 16340 chemistry, it delivers sustained output for high-drain devices while a multi-tier protection circuit safeguards against overcharge, thermal stress, and voltage anomalies. With 500+ cycle durability, this rechargeable option cuts battery waste and operational costs for professionals and outdoor enthusiasts alike.

  • One ARB-L16-1050UP Battery
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