UltraFire 3.7V Li-ion Rechargeable Battery

Description

UltraFire 3.7V Li-ion Rechargeable Battery

The 3.7V Li-ion Rechargeable Battery is a Heavy Duty capacity 18650 battery for high drain devices. With tremendous capacity and value, the Ultrafire 4000mAh 18650 is a high-powered li-ion battery that is perfect for demanding electronics such as tactical LED flashlights. These batteries feature 3.7 Volts of power and a top-of-the-line 4000mAh capacity that will keep high drain electronics running longer than competing power sources. Furthermore, the Uitrafire 18650 is one of the best deals when it comes to li-ion power.

PCB Protected :

• At this point, each Ultrafire 18650 is outfitted with a uniquely designed PCB that functions as the brain of the battery, regulating output and intake of electrical charge.
• However, the circuit board the battery is always safe to use and charge, as it will cut off the battery if the voltage drops below 2.5V or exceeds 4.25V.
• In this situation, you can rest assured that your battery will perform perfectly every time

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: Battery appliances such as Emergency Lighting, Flashlights, Portable Devices, Power Tools.

Features :

• 18650 Lithium ion Cylindrical Rechargeable Battery
• Furthermore, internal PCB protection prevents under-voltage (2.5V) or over-voltage (4.25V)
• Higher energy density than competing rechargeable batteries
• International Electrotechnical Commission (IEC) standard tested to ensure capacity, quality, and lifespan
• Great for LED flashlights and high drain devices
• Environmentally friendly
• 100% Brand New.

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