3.7V Li-Ion Rechargeable Battery

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UF18650
$500

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

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3.7V Li-Ion Rechargeable Battery
In stock
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Description

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 and stun batons.

UltraFire 3.7V li-ion Rechargeable Battery

These batteries feature 3.7 Volts of power and a top-of-the-line 4000mAh capacity to keep high drain electronics running longer than competing power sources. Combined with reliable manufacturing quality and bulk value pricing, the Ultrafire 18650 is one of the best deals regarding li-ion power.

PCB PROTECTED

Each Ultrafire 18650 is outfitted with a uniquely designed PCB (printed circuit board) that functions as the brain of the battery, regulating output and intake of electrical charge. Thanks to 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. You can rest assured that your battery will perform perfectly every time since it's PCB protected!

Features:

  • 18650 Lithium ion Cylindrical Rechargeable Battery
  • 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
  • 500 Charge Cycles

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