# Rechargeable battery Fenix ARB-L18-3400 18650 CR123A Lithium-Ion

**URL:** https://aio.lv/en/product--fenix-907779--11451496
**Data updated:** 2025-12-30 21:22 (EET)
**Category:** Batteries
**Manufacturer:** Fenix
**Manufacturer code:** 907779
**EAN:** 6942870303888
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 30.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 25.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fenix-907779--11451496

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Fenix ARB-L18-3400 is a rechargeable Lithium-Ion battery compatible with 18650 and CR123A sizes. It measures 18.6 mm in width and depth, and 69 mm in height, making it compact and efficient for various devices.

## Long description

The Fenix ARB-L18-3400 is a rechargeable Lithium‑Ion battery compatible with devices that accept 18650 cells or that can use 2×CR123A replacements. It measures approximately 18.6 mm in diameter and 69 mm in length, delivers 3.6 V and is supplied as a single battery suitable for high-lumen flashlights and other portable lighting devices.
Advantages
This 18650 rechargeable battery provides higher capacity and repeated use compared to disposable CR123A cells, reducing ongoing costs and waste. The ARB-L18-3400 includes internal protection circuits to help prevent short circuits, overcharge, overdischarge and overheating, and it has pressure relief vents to expel gas in the unlikely event of an internal failure. Fenix guarantees a useful lifespan of approximately 500 charge cycles, with at least 75% of the original capacity retained after that many cycles.
Suitable for
High-lumen flashlights and torches that accept 18650 cells
Devices designed for two CR123A batteries where a single 18650 replacement is supported
Portable lighting and electronic devices requiring a 3.6 V Li‑Ion cell
Key specifications
Model: Fenix ARB-L18-3400 (MPN 907779, EAN 6942870303888)
Battery type: Rechargeable Lithium‑Ion (Li‑Ion)
Nominal voltage: 3.6 V
Cell size: 18650 (compatible with some CR123A configurations)
Quantity: 1 piece
Dimensions: approx. 18.6 mm × 69 mm
Weight: 0.05 kg
Expected cycle life: ~500 charge cycles (≥75% capacity retained)
How to use
Install the battery following the device manufacturer’s polarity markings. Use a compatible charger designed for 18650 Li‑Ion cells; for USB‑version batteries, ensure your device supports built‑in USB charging and note that a micro‑USB cable is not included. Charge the battery before first use and avoid using damaged or deformed cells. If the device is an older Fenix model, verify compatibility with USB‑charging variants as some older lights may not support them.
Usage recommendations
Store and charge the battery in a dry, cool place away from direct heat. Only purchase Fenix Li‑Ion batteries from authorized and trusted distributors to avoid counterfeit or unsafe products. Do not expose the battery to fire, water immersion, or mechanical damage; follow the device and charger instructions for safe operation.

## 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 | 3400 mAh |
| Product colour | Multicolour |
| Battery recharge cycles (max) | 500 |
| Power protection features | Short circuit |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.05 kg |
| Height | 69 mm |
| Width | 18.6 mm |
| Depth | 18.6 mm |
| Diameter | 18.6 mm |

## FAQ

### How much does the Rechargeable battery Fenix ARB-L18-3400 cost, and is it available for purchase?

The price is 30.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 01.07.2026 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/11451496/66144818_large.webp