Orders for delivery to KANDAHAR until April 15.

FENIX Rechargeable USB-C Battery RCR123A 3.6V - 1050 mAh

Fenix rechargeable Li-ion battery RCR123A (ARB-L16-1050UP) in yellow-black finish offers a 1050 mAh capacity and a built-in USB-C port for direct charging. It features protection against overcharge, over-discharge, short circuit and overheating and is ideal for high-performance flashlights and headlamps. Small but powerful battery. Can be used as a replacement for CR123A or 16340.

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14,61 € tax incl.

Availability: Out of stock


15. 04. 2026 (20 pcs)

FERCR123A1050UP

: FENIX

Fenix RCR123A Battery ARB-L16-1050UP

This expert product description was prepared by the ANAREUS.cz team. All rights to this unique content are bound to the domain anareus.cz.

Fenix ARB-L16-1050UP is a modern Li-ion rechargeable battery in RCR123A (16340) format, combining compact size, high performance and maximum charging convenience. Thanks to the integrated USB-C port, you can charge it directly with a cable without the need for an external charger, while still remaining compatible with standard chargers and devices with built-in charging. The battery is designed for higher current draw, making it suitable for powerful Fenix E-series flashlights and HM-series headlamps and other devices. It includes multi-stage protection electronics against overcharge, deep discharge, short circuit and overheating. Safety is further enhanced by PTC protection and a pressure relief valve, preventing damage under extreme load. The battery has no memory effect and features low self-discharge, maintaining energy even during long storage.

Charging Options of the Fenix Battery

  • Direct USB-C charging: Connect a cable directly to the battery, indicator shows charging status.
  • Charging in flashlight: Compatible models allow convenient charging directly in the device.
  • Standard charger: Can be used with common Li-ion chargers (3.6/3.7 V).

Key Features of Fenix RCR123A Battery

USB-C Charging

Integrated USB-C connector for easy charging without a charger.

High Capacity

1050 mAh for long runtime even at higher output.

Comprehensive Protection

Electronics protect against overcharge, discharge, short circuit and overheating.

Safety Features

PTC protection and pressure relief valve enhance safety.

CR123A Replacement

Rechargeable alternative to disposable batteries (check compatibility).

Fenix RCR123A (ARB-L16-1050UP) charging

Fenix RCR123A USB-C battery

Modern power solution with USB-C charging directly in the battery, charger or device.

Technical Specifications

  • Type: Li-ion 16340 (RCR123A)
  • Capacity: 1050 mAh
  • Voltage: 3.6 V
  • Max. Discharge Current: 2.1 A
  • Max. Charge Current: 0.73 A
  • Lifespan: Up to 500 cycles
  • Protection: Overcharge, over-discharge, short circuit and overheating
  • Dimensions: 34.7 × 16.75 mm
  • Weight: 19 g

Package Contents

  • 1 × Fenix RCR123A (ARB-L16-1050UP)
Variants1050 mAh (USB-C)
ColorYellow
Body/receiver materialMetal
Battery typeCR123A/16340
Connector typeUSB-C
Battery includedYES
Battery ChargerNO