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header-product Rechargeable Li-Ion 16340 battery Fenix ARB-L16UP-700, 3.6 V, 35.5 mm height, 16.8 mm diameter, 18.8 g, 1 pc

Rechargeable Li-Ion 16340 battery Fenix ARB-L16UP-700, 3.6 V, 35.5 mm height, 16.8 mm diameter, 18.8 g, 1 pc

Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 1
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 2
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 3
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 4
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 5
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 1
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 2
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 3
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 4
Fenix ARB-L16UP-700 16340 Li‑Ion rechargeable battery Photo 5
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Short description

Fenix ARB-L16UP-700 is a single rechargeable 16340 lithium‑ion battery with a nominal voltage of 3.6 V. Compact (35.5 mm height, 16.8 mm diameter) and lightweight (18.8 g), it suits flashlights, compact electronics and other devices that accept 16340 cells. Supplied as one piece, it offers the rechargeable convenience of Li‑Ion chemistry for repeated use.
Warranty: 2 Years
SKU: 11431934
Manufacturer: Fenix
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Product information

Description

Fenix ARB-L16UP-700 is a single rechargeable 16340 lithium‑ion cell with a nominal voltage of 3.6 V. With compact dimensions (35.5 mm height, 16.8 mm diameter) and a lightweight design (18.8 g), this battery is suitable for devices that accept 16340 format cells and where repeated charging is preferred over disposable primary cells. Supplied as one piece, the cell follows Li‑Ion chemistry standards for consistent voltage and rechargeability.

Advantages

The Fenix ARB-L16UP-700 provides the benefits of a rechargeable Li‑Ion cell in a compact 16340 package, offering stable nominal voltage and the convenience of multiple charge cycles. Its small size and low weight make it easy to carry as a spare and suitable for portable devices. Being a single-cell supply simplifies replacement and compatibility checks for equipment designed for 16340 batteries.

Suitable for (tasks / use cases)

  • Handheld flashlights and compact torches that accept 16340 cells
  • Portable electronics and small devices requiring a 3.6 V Li‑Ion cell
  • Spare or replacement battery for outdoor and everyday carry gear

Key specifications

  • Battery type: Rechargeable lithium‑ion cell
  • Nominal voltage: 3.6 V
  • Cell size: 16340
  • Height: 35.5 mm
  • Diameter: 16.8 mm
  • Weight: 18.8 g
  • Quantity included: 1 piece

How to use

Charge the Fenix ARB-L16UP-700 with a compatible Li‑Ion charger designed for 16340/CR123A-size rechargeable cells, following the charger manufacturer’s instructions. Insert the cell into devices in the correct polarity orientation indicated by the device. Monitor device operation and battery temperature during use; stop using the cell if it becomes unusually hot, damaged, or shows signs of leakage. Recharge the cell before deep discharge to maintain battery longevity.

Usage recommendations

Store the battery in a cool, dry place and avoid extended exposure to high temperatures. Use a charger with appropriate safety features (overcharge and short-circuit protection). Do not mix this rechargeable Li‑Ion cell with disposable batteries or cells of different chemistries or charge states in the same device. Dispose of the battery according to local regulations for rechargeable lithium cells.

Specifications

Number of batteries included: The quantity of batteries that come with the product.
1 pc(s)
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
Battery size(s):
16340
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.
0.0188 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.
16.8 mm
Height: The measurement of the product from head to foot or from base to top.
35.5 mm

Battery

Battery recharge cycles (max):
500
Number of batteries included: The quantity of batteries that come with the product.
1 pc(s)
Product colour: The colour e.g. red, blue, green, black, white.
Black, Yellow
Power protection features: Features that protect the device against power problems e.g. overload.
Overcharge, Overdischarge, Short circuit
Battery level indicator:
No
Battery capacity: A measure of the charge stored by the battery. Determined by the mass of active material contained in the battery.
700 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 size(s):
16340
Battery type: Description of battery supplied with the product, such battery form factor (e.g. AA/AAA).
Rechargeable battery

Description

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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: number of batteries included, battery voltage, battery technology, battery type, 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.
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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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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.