Ultrafire BRC 18650 Rechargeable Li-ion Battery 4000mAh High Capacity Fast Charging for Outdoor Devices

The Ultrafire BRC is a 4000mAh 3.7V 18650 Li-ion rechargeable battery suitable for high-drain devices such as flashlights, cameras, and portable fans. It supports up to 500 recharge cycles and charges fully in 2-4 hours. The battery maintains stable voltage performance and follows standard 18650 dimensions (approximately 65mm by 18mm).

Technical Parameters

• Voltage: 3.7V
• Capacity: 4000mAh
• Cell Type: Li-ion
• Charging Time: 2-4 hours
• Recycling Lifecycle: Up to 500 cycles
• Dimensions: Standard 18650 size (approximately 65mm length and 18mm diameter)
• Compatible Devices: High-performance flashlights, cameras, portable fans, and more