18650 Li-Ion Battery – 3500 mAh
Description
Description
The Armytek 18650 Li-Ion 3500 mAh Battery is engineered to deliver maximum capacity and extended runtime for high-performance flashlights and other high-amperage devices. Designed for compatibility with most Armytek models, it provides stable 3.7V output and reliable performance under heavy load conditions.
This flat-top battery is manufactured without a protection circuit board (PCB), making it suitable for devices that feature built-in battery protection systems. With a high discharge current rate of up to 13A, it ensures consistent power delivery for demanding applications.
Built with a high-quality battery cell and integrated safety vent with thermal cut-off protection, the battery supports no fewer than 500 charge and discharge cycles and offers a service life of up to five years under normal operating conditions.
Key Specifications
Battery Type: 18650 Li-Ion (Unprotected, Flat Top)
Capacity: 3500 mAh
Nominal Voltage: 3.7V
Maximum Discharge Current: Up to 13A
Protection: For use in devices with built-in battery protection
Cycle Life: Minimum 500 charge/discharge cycles
Service Life: Up to 5 years
Safety Features: Thermal cut-off protection vent
18650 Li-Ion Battery – 3500 mAh is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
All orders are dispatched from our Australian warehouse and are processed during standard business hours, Monday to Friday, excluding public holidays.
Orders are typically packed and dispatched within 1–3 business days from the time of order confirmation. Once dispatched, delivery timeframes vary depending on your location and the shipping method selected at checkout.
Shipping costs are calculated at checkout and are based on order size, weight, and destination.
Once your order has been dispatched, you will receive a confirmation email with tracking details where applicable. Please note that delivery timeframes provided by carriers are estimates only and may be subject to delays outside of our control.
We are not responsible for delays caused by courier networks, weather events, or incorrect delivery information provided at checkout.
If your order arrives damaged, incorrect, or incomplete, please contact us within 7 days of delivery so we can assist.
ARMYTEK
Designed for reliable illumination outdoors, Armytek lighting delivers dependable performance for camping, travel, and overnight adventures.
Payment & Security
Payment methods
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Dependable After Dark
Armytek is a global lighting manufacturer founded in 2007 with a singular focus: building some of the most reliable and technologically advanced flashlights in the world. With distribution across more than 75 countries and a growing range of high-performance models, Armytek has earned a reputation for uncompromising durability, real-world performance and engineering integrity.
Unlike brands that prioritise appearance over substance, Armytek designs its products around the needs of demanding users including military personnel, rescue teams, security professionals and serious outdoor enthusiasts. Each torch is developed by an international team of engineers with backgrounds in military, aerospace and industrial sectors, using premium components sourced from the USA and Japan.
For Australian users who operate in extreme heat, heavy rain, remote terrain and harsh coastal environments, Armytek’s IP68 waterproof ratings, impact resistance and advanced temperature control systems deliver dependable performance when it matters most. Backed by a 10-year warranty and supported by continuous innovation, Armytek represents professional-grade lighting built for the field, the workshop and everything in between.
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Explore Armytek’s bestsellers, trusted by professionals and outdoor enthusiasts for their exceptional brightness, durability and long-lasting performance in demanding conditions.


