Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery

Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery

Name: Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery
Brand: Product Brand
Price: 24.95 USD
Availability: InStock
Rating: 4.5 (10 reviews)

Regular price $24.95

Wishlist

Vendor: Fenix Store

Type: Battery

Sku: FX-ARBL183500U

Availability: In Stock

Sold by LightsDaddy, an authorized reseller.

Returns accepted within 30 days | support@lightsdaddy.com

✓ Verified

Shipping Information

Shipping calculated at checkout

Shipping cost and estimated delivery will be shown at checkout based on your location.

Processing Time: 1–3 business days
Tracking number sent via email once dispatched
Orders over $250 require signature upon delivery. Taxes calculated at checkout.

Returns & Refund

Returns accepted within 30 days of delivery.

Damaged or Defective Item

Free return shipping + replacement or full refund

Wrong Item Received

Free return shipping + replacement or full refund

Change of Mind

Return shipping at customer's expense · Item must be unused & in original packaging

All returns require a Return Authorization (RA) number before sending.

To initiate a return, contact us:

support@lightsdaddy.com +1 281-456-3664

View Full Return & Refund Policy

Safety & Compliance

Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

www.P65Warnings.ca.gov

All electrical products must be installed by a qualified electrician in accordance with local wiring regulations. Incorrect installation may result in fire, electric shock, or injury.

Always disconnect power at the circuit breaker before installation.

Do not exceed the maximum wattage specified on the fixture label. Keep away from flammable materials. Allow adequate ventilation around the fixture.

Keep out of reach of children. Not suitable for wet locations unless rated IP65 or higher.

Guarantee safe checkout

Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery

$24.95

Description Safety & Compliance

The Fenix ARB‑L18‑3500 is a high-capacity 18650 rechargeable Li‑ion battery, offering 3,500 mAh within a standard size that fits most high-performance flashlights. Built for safety and durability, it includes a button-top design, integrated protection circuitry against overcharge, over-discharge, short-circuit, and overheating, plus pressure relief vents to prevent buildup and reduce risk of swelling or rupture. A robust steel-infused anode structure further improves impact resistance and electrical safety. This cell is rated for up to 500 charge cycles, maintaining around 75% capacity afterward, and carries Fenix’s 12-month warranty.

Key Specifications:

Capacity & Voltage: 3,500 mAh, 3.6 V
Protection Features: Overcharge, over-discharge, short-circuit, overheat protection; pressure relief vents; reinforced steel anode
Design: Button-top, compatible with Fenix and other 18650 devices
Durability: Up to 500 charge cycles, retains ~75% capacity over time
Size & Weight: Approx. 69 mm length × 18.6 mm diameter; ~50 g
Warranty: 12-month manufacturer’s warranty

A reliable, long-lasting, and safe power solution—perfect for tactical flashlights, headlamps, lanterns, and high-drain devices.

Note: This item is packaged and priced as one battery.

Shipping Note: Lithium ion batteries are considered "dangerous goods" per US transportation regulations and can often only be transported via ground shipment. Orders containing loose batteries will typically take much longer than predicted to be delivered. Delivery times of 14+ days are not uncommon.

⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, please visit www.P65Warnings.ca.gov.

Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery

Guarantee safe checkout

Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery

Customer Reviews

Customer Approved

Extensive Selection

Fast, Reliable Delivery

Top-Tier Quality

Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery

WELCOME5: Use code WELCOME5 for 5% off on your first order

Guarantee safe checkout

Fenix ARB-L18-3500U USB Rechargeable Li-ion 18650 Battery

Related products

Customer Reviews

Customer Approved

Extensive Selection

Fast, Reliable Delivery

Top-Tier Quality