High-Performance 3.7V Li-ion Rechargeable Battery for Gadgets

Product Details

The 3.7V Li-ion Rechargeable Battery is a robust powerhouse, specifically designed as a Heavy Duty capacity 18650 battery aimed at high drain devices. Presenting exceptional capacity and value, the Ultrafire 4000mAh 18650 stands out as a high-powered li-ion battery, ideal for high-demand electronics such as tactical LED flashlights. Boasting 3.7 Volts of formidable power and an impressive 4000mAh capacity, this battery ensures your high drain electronics operate longer and more efficiently than many competing power sources. Coupled with its proven manufacturing quality and cost-effective bulk pricing, the Ultrafire 18650 emerges as a top-tier choice in the realm of li-ion power solutions.

PCB PROTECTED

Every Ultrafire 18650 is equipped with a specially engineered PCB (printed circuit board), serving as the intelligent core of the battery. This feature meticulously regulates the output and intake of electrical charge, ensuring safety during use and charging. The circuit board is designed to automatically disconnect the battery if the voltage dips below 2.5V or exceeds 4.25V, offering peace of mind as your battery consistently delivers flawless performance, thanks to its PCB protection!

SPECIFICATIONS

Battery Terminal Type: Button Top

Capacity: 4000mAh

Composition: Lithium-Ion

Nominal Voltage: 3.7V

Cut-off Voltage: 2.5B

Internal Impedance: ≤ 180 Milli-Ohms

Cycle Performance: 90% of initial capacity at 400 cycles

Type: 18650 Li-ion Rechargeable Battery

Charge Cycles: 500

Color: RED

Dimensions: 66.0 mm x 18.0 mm

Weight: 26.5g

Battery Shelf Life: 3 Years

Brand: UitraFire

Compatible with: Perfectly compatible with battery appliances such as Emergency Lighting, Flashlights, Portable Devices, and Power Tools.

FEATURES

• Introducing the 18650 Lithium-ion Cylindrical Rechargeable Battery
• Built-in Internal PCB protection expertly prevents both under-voltage (2.5V) and over-voltage (4.25V) scenarios
• Boasts a higher energy density compared to other rechargeable batteries on the market
• Tested to meet International Electrotechnical Commission (IEC) standards, ensuring capacity, quality, and extended lifespan
• Ideal for LED flashlights and other high drain devices
• Environmentally conscious and friendly
• Guaranteed 100% Brand New

CONTENTS

Includes: UltraFire 18650 4000mAh 3.7V Li-ion Rechargeable Single Battery