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header-product Rechargeable battery Fenix ARB-L2S Lithium-Ion 3.6V 18650

Rechargeable battery Fenix ARB-L2S Lithium-Ion 3.6V 18650

Rechargeable battery Fenix ARB-L2S Photo 1
Rechargeable battery Fenix ARB-L2S Photo 2
Rechargeable battery Fenix ARB-L2S Photo 3
Rechargeable battery Fenix ARB-L2S Photo 4
Rechargeable battery Fenix ARB-L2S Photo 1
Rechargeable battery Fenix ARB-L2S Photo 2
Rechargeable battery Fenix ARB-L2S Photo 3
Rechargeable battery Fenix ARB-L2S Photo 4
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Short description

The Fenix ARB-L2S is a rechargeable Lithium-Ion battery with a voltage of 3.6V. It has a compact size of 18.5mm in width and depth, and 68mm in height, making it suitable for various devices. This battery offers reliable power and is designed for long-lasting performance.
Warranty: 2 Years
SKU: 11431931
Manufacturer: Fenix
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Product information

Description

The Fenix ARB-L2S is a high-capacity 18650 Li‑ion rechargeable battery with a nominal voltage of 3.6V. Designed for high-drain devices, it combines compact dimensions (approx. 18.5 mm × 68 mm) with built-in protection features to deliver reliable, long-lasting power for flashlights and other portable electronics.

Advantages

ARB-L2S includes multiple safety measures: three sets of over-heat protection and an integrated protection circuit that guards against over-charge and over-discharge. Its unique structural design improves impact resistance while preserving high output suitable for demanding loads.

Suitable for

  • High-drain flashlights and torches
  • Portable electronic devices that accept 18650 cells
  • Power-hungry accessories such as bike lights and headlamps

Key specifications

  • Type: Rechargeable Lithium‑Ion (18650)
  • Nominal voltage: 3.6 V
  • Dimensions (approx.): 18.5 mm diameter × 68 mm length
  • Brand: Fenix
  • Manufacturer part number (MPN): 909052
  • EAN: 6942870303505

How to use

Insert the ARB-L2S cell into devices that accept 18650 batteries, observing correct polarity. Use a compatible charger designed for Li‑ion 18650 cells and follow the charger manufacturer’s instructions. Do not use damaged or deformed cells; replace batteries that show signs of swelling or leakage.

Usage recommendations

Store batteries in a cool, dry place and avoid prolonged exposure to high temperatures. Charge and discharge within the limits recommended for 18650 Li‑ion cells, and follow device instructions to ensure safe operation and maximum service life.

Specifications

Battery voltage: The voltage (V) of the battery.
3.6 V
Battery technology: The type of battery in the device, e.g. nickel–cadmium (NiCd).
Lithium-Ion (Li-Ion)
Battery type: Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).
Rechargeable battery
All features

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.049 kg
Diameter: Distance from one side of a body (circle or sphere) to the other side, measured by a straight line passing through the centre of the body.
18.5 mm
Height: The measurement of the product from head to foot or from base to top.
68 mm
Depth: The distance from the front to the back of something.
18.5 mm
Width: The measurement or extent of something from side to side.
18.5 mm

Battery

Product colour: The colour e.g. red, blue, green, black, white.
Black, Orange
Battery capacity: A measure of the charge stored by the battery. Determined by the mass of active material contained in the battery.
3400 mAh
Battery voltage: The voltage (V) of the battery.
3.6 V
Battery technology: The type of battery in the device, e.g. nickel–cadmium (NiCd).
Lithium-Ion (Li-Ion)
Battery type: Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).
Rechargeable battery

Description

Machine translation.

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Customer reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Fenix products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Fenix service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery voltage, battery technology, battery type, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.