The Fenix ARB-L18-4000U rechargeable battery is a powerful, high-capacity 18650 Li-ion battery designed to deliver reliable performance across various applications. With an impressive 4000mAh capacity, this battery provides prolonged runtime for high-drain devices, making it a dependable power source for flashlights, outdoor equipment, and other electronics. A unique feature of the ARB-L18-4000U is its integrated USB-C charging port, allowing for convenient charging without an external charger. Built-in protection circuits safeguard against overcharging, over-discharging, and short-circuits, ensuring a safe and durable battery life.

Features:

• High Capacity: 4000mAh for extended runtime
• Integrated USB Charging Port: Charges via USB-C for added convenience
• Advanced Protection Circuits: Safeguards against overcharge, over-discharge, and short-circuits
• Reliable Performance: Consistent power output for high-drain devices
• Battery Type: 1850 Li-ion rechargeable
• Capacity: 4000mAh
• Voltage: 3.6V
• Dimensions: 18.6mm x 69mm
• Charging Port: USB-C
• Weight: 50g (Approx.)