# Rechargeable Li‑Ion battery Fenix ARB-L18-2600U — 18650 / CR123A compatible, 18.6×70 mm

**URL:** https://aio.lv/en/product--fenix-183433-uniw--11880018
**Data updated:** 2026-03-09 20:47 (EET)
**Category:** Batteries
**Manufacturer:** Fenix
**Manufacturer code:** 183433-uniw
**EAN:** 6942870304595
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 19.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fenix-183433-uniw--11880018

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Fenix ARB-L18-2600U is a rechargeable lithium‑ion battery designed for devices using 18650 cells and compatible with CR123A form factor. Key specifications: battery technology Li‑Ion, dimensions 18.6 mm × 70 mm. Suited for torches, portable electronics and equipment requiring replaceable 18650/CR123A‑type power sources.

## Long description

Fenix ARB-L18-2600U is a rechargeable Li‑Ion battery designed for devices that accept 18650 cells and for applications where CR123A‑type form factor replacements are used. The cell measures 18.6 × 70 mm and provides a nominal voltage of 3.6 V with a rated capacity of 2600 mAh. This USB‑chargeable 18650 offers integrated protection circuitry, pressure relief vents and a button‑top design to ensure safe installation and operation in compatible torches and portable electronics.
Advantages
The ARB-L18-2600U combines the higher energy density of lithium‑ion chemistry with built‑in safety features: protection circuits to reduce risks from short circuits, over‑charge and over‑discharge, and pressure relief vents to release gas in the unlikely event of an internal failure. Being rechargeable reduces long‑term operating costs and waste compared with disposable CR123A cells, while the USB charging option enables convenient recharging without a separate external charger. The cell is compatible with devices that accept 18650 batteries and can be used as a replacement where two CR123A cells are specified.
Suitable for
High‑output flashlights and torches designed for 18650 cells or replacement of 2×CR123A
Portable lighting for outdoor activities, work sites and emergency kits
Handheld electronics and equipment requiring a 3.6 V rechargeable power source
Key specifications
Battery chemistry: Lithium‑Ion (Li‑Ion)
Nominal voltage: 3.6 V
Rated capacity: 2600 mAh
Cell size (diameter × length): 18.6 mm × 70 mm (18650 format)
Form factor compatibility: 18650 and as a replacement for devices using 2×CR123A
Built‑in protection circuitry: short‑circuit, over‑charge and over‑discharge protection
Pressure relief vents for safety under internal fault conditions
Button‑top design for compatibility with a wide range of devices
USB charging: integrated Micro‑USB charging port; recommended charging current 1 A, maximum 2 A; USB port charging 1 A
Guaranteed cycle life: designed to retain at least ~75% capacity for up to 500 charge cycles
How to use
Insert the battery into the device following the polarity markings on the battery and the device. For USB charging, connect a suitable Micro‑USB cable (not included) to the battery’s charging port and to a compatible USB power source. Use the recommended charging current (around 1 A) and avoid exceeding the maximum recommended current. Do not attempt to charge the cell in a charger not intended for protected Li‑Ion cells. Use the button‑top orientation as required by your flashlight or device to ensure reliable contact.
Usage recommendations
Store and charge the battery in a dry, cool place away from direct heat. Only use trustworthy USB power supplies and cables. Do not expose the battery to water or prolonged high temperatures, do not puncture or disassemble the cell, and replace the battery if it shows signs of damage, swelling or unusual heat during use or charging.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery type | Rechargeable battery |
| Battery size(s) | 18650, CR123A |
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery voltage | 3.6 V |
| Number of batteries included | 1 pc(s) |
| Battery capacity | 2600 mAh |
| Product colour | Multicolour |
| Battery recharge cycles (max) | 500 |
| Power protection features | Short circuit |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.05 kg |
| Height | 70 mm |
| Width | 18.6 mm |
| Depth | 18.6 mm |
| Diameter | 18.6 mm |

## FAQ

### How much does the Fenix ARB-L18-2600U rechargeable Li‑Ion 18650 battery cost, and is it available for purchase?

The price is 23.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 169 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery type, battery technology, battery voltage, number of batteries included, weight, battery size(s), 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.

## Image

https://aio.lv/img/cache/product/11880018/67425905_large.webp