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UltraFire

3.7V 2400mAh 18650 Lithium Rechargeable Battery 4Pcs

Digg(183) ( 33 Reviews)
       
US $11.99
 
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Are you looking for a good Rechargeable Lithium Battery from the internet in your daily life? If you are sure you really need one, here we recommend you a fine product. This Rechargeable Lithium Battery is designed perfectly. We offer this 2400mAh Battery in order to meet customers' different needs. The 2400mAh Battery is precisely engineered and rigorously tested for voltage, capacity, compatibility and safety, which exceeds original mobile battery specifications. This 18650 3.7V Li-ion Battery is rapidly becoming a very economical way to lower the operating costs of flashlights and some other things. This 18650 3.7V Li-ion Battery is rechargeable with no memory effect. Customers can charge it repeatedly and the lifespan is long enough. The integrated microchip prevents overcharging and lengthens battery life. Ultrafire batteries are really practical. So please be quick to buy this good rechargeable lithium battery.
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UltraFire 3.7V 2400mAh 18650 Lithium Rechargeable Battery 4Pcs
USD$ 23.99
USD$ 11.99
 
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Product Description

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  • Specifications:

    • Voltage: 3.7V
    • Capacity: 2400mAh
    • Battery Type: Lithium Rechargeable Batteries
    • Rechargeable lithium battery is a good economic and environmental choice
    • Rechargeable lithium battery is ideal for high-drain items such as digital cameras, gaming devices and portable audio products
    • The rechargeable lithium battery is eco-friendly, safe and reliable
    • Can be recharged and reused hundreds of times
    • Contains 3 Lithium rechargeable batteries
    • These rechargeable batteries are eco-friendly, safe and reliable
    • They are ideal for high-drain items such as digital cameras, gaming devices and portable audio products
    • 2400mAh battery can be recharged and reused hundreds of times
    • 18650 3.7V Li-ion battery pack contains 3 Lithium Rechargerable Battery
    • Compact design, easy to take anywhere and you can trust them

    Details:

    UltraFire 3.7V 2400mAh 18650 Lithium Rechargeable Battery 4Pcs

    • They are ideal for high-drain items such as digital cameras, gaming devices and portable audio products

    Rechargeable Lithium Battery

    • Compact design, easy to take anywhere and you can trust them

    What is lithium-ion batteries?

    2400mAh Battery 18650 3.7V Li-ion Batter

    Lithium-ion batteries (sometimes abbreviated Li-ion batteries) are a type of rechargeable battery in which a lithium ion moves between the anode and cathode. The lithium ion moves from the anode to the cathode during discharge and in reverse, from the cathode to the anode, when charging. Lithium-ion batteries can be formed into a wide variety of shapes and sizes so as to efficiently fill available space in the devices they power. They're generally much lighter than other types of rechargeable batteries of the same size. The electrodes of a lithium-ion battery are made of lightweight lithium and carbon. Lithium is also a highly reactive element, meaning that a lot of energy can be stored in its atomic bonds. This translates into a very high energy density for lithium-ion batteries. Plus there is no issue with the memory effect, like the nickel-cadium does. When a nickel-cadium battery is recharged before it discharges the majority of its power, it essentially "forgets" that it could fully discharge to begin with. This problem is termed the memory effect.

    What is lithium ion polymer rechargeable battery?

    It's a high energy density, 3.6V/3.7V battery that is not compatible with ordinary batteries, but is widely used in the portable equipment market. It uses lithium metallic oxide (LixCoO2, LiNiO2, LiMnO4) in its positive electrode (cathode) and carbon material (LiXC6) in its negative electrode (anode), with electrolyte LiPF6, LiAsF6 etc, and the Lithium ions inside the battery transfer between the positive electrode and the negative electrode during charge or discharge, namely Rocking Chair Batteries (RCB).

    UltraFire 3.7V 2400mAh 18650 Lithium Rechargeable Battery 4Pcs

    Lithium ion polymer rechargeable battery similar to the Lithium-ion but with a solid polymer as electrolyte. Some gelled conductive material is added to promote conductivity. It utilizes the latest technology to become available for consumer use in products such as portable computers, PDA, cellular phones, blue tooth, portable DVD and military electronics etc. Lithium-ion polymer batteries have high voltage per cell, and excellent energy on both a weight and volume basis. Additionally, they can be made in very thin and large footprint configurations. Lithium-ion polymer batteries use liquid Lithium-ion electrochemistry in a matrix of conductive polymers that eliminate free electrolyte within the cell. For operating effectively over a broad range of temperatures and conditions, Lithium-ion polymer batteries contain no metallic Lithium anodes.

    About Rechargeable Batteries

    Rechargeable Lithium Battery

    • Function
    • Sometimes called a storage battery, a rechargeable battery consists of multiple cells. This enables the electrochemical reaction that powers the battery to be reversed. Using a charger, these batteries can be recharged many times. Rechargeable batteries are used in automobiles, consumer electronics, storage for solar arrays and electrical vehicles.
    • Types
    • The most common types of rechargeable batteries are lead-acid, nickel cadmium, alkaline, nickel metal hydride and lithium ion. Lithium ion batteries are considered the most advanced rechargeable battery type and are used in most contemporary consumer electronics.
    • Size
    • Rechargeable batteries come in many shapes and sizes from automobile lead-acid type batteries to laptop and small digital camera batteries. The size is determined by the type of technology used and the design of the device in which the battery will be placed.
    • Features
    • The main feature of a rechargeable battery is self-evident--it can be charged multiple times. Secondary features that differ depending on the type of battery include:
    • Self-Discharge: This effect occurs within the battery cells causing the battery to lose power over time even when not in use.
    • Memory Effect: An effect mostly witnessed in Nickel Cadmium batteries, the battery seems to lose its maximum energy capacity if charged multiple times without being fully discharged.
    • Energy-to-Mass Ratio: This refers to the energy density of the battery.
    • Currently, Lithium ion batteries are the best performing rechargeable batteries if considering the above features.
    • Considerations
    • Many people avoid rechargeable batteries when given a choice because of a perceived higher cost. When you consider that rechargeable batteries can be reused multiple times, the savings of using them as opposed to one use batteries becomes clear

    Package Included:

    • 4 x 3.7V 2400mAh 18650 Lithium Rechargeable Batteries 

Customers' Reviews

Overall:
  ( 33 Reviews)
Price:
Quality:
Ease Of Use:
Usefulness:
Features:
The first five reviews by: Juceli Rosa Fattori , SIARHEI SPIRYDONAU , Marwin Heinz Ruster

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I have bought this product

DENIS ALBERT

from (ONTARIO CANADA)

Bought this item on

04-09-2013
02:29:06 04-09-2013 WHAT A JOKE Overall:  
  • Pros: GREAT BATTERIES FOR THE PRICE
  • Cons: ORDERED 12 3 SETS OF 4 .THEY SENT ME 6 BATTERIES SO WHEN I NOTIFIED THEM THEY REJECTED MY REQUEST FOR THE MISSING BATTERIES.
  • Other Thoughts: NOT HAPPY WITH THE SITE. GET A PROBLEM AND THEY DONT SEEM TO CARE. SAD THAT WHEN THEY MAKE A MISTAKE THEY DONT CARE ABOUT CUSTOMER RELATIONSHIP. GOT MY MONEY AND WONT GIVE ME THE PRODUCT I PAID FOR SAD VERY SAD INDEED. SIGN ME A DISSATISFIED CUSTOMER.

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Andrey

from (Russia)

Bought this item on

03-27-2013
12:08:28 03-27-2013 UltraFire 3.7V 2400mAh 18650 Battery Overall:  
  • Pros: Отличные перезаряжаемые батареи. Работают хорошо, каких-либо дефектов не замечано. За такую низкую цену 4 батареи. Хорошая производительность. Может быть, не самый совершенный батарей в мире, но за ту цену, является идеальным. Правильная длина для данной батареи 66мм.
  • Cons: За время использования пока не выявлены.
  • Other Thoughts: я рекомендую

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Braiton

from (Belarus)

Bought this item on

01-01-2013
01:54:25 01-01-2013 regular batteries Overall:  
  • Pros: Normal batteries for its price. Not to set the Thames on fire, but about 2,000 ma \ h they have. Let's see how long will work.It quickly reached, before the earlier orders. But it is just lucky
  • Cons: for that price I can not find fault
  • Other Thoughts: None!

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Gingerbread

from (Germany)

Bought this item on

12-10-2012
05:36:53 12-10-2012 good and cheap Overall:  
  • Pros: price, lifetime, loading time, capacity
  • Cons: none
  • Other Thoughts: I bought this Batteries for my Ultrafire and other flashlights, and I must say, they are very good. The loading time is short, the capacity is good to

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PortoAlegre

from (Brasil)

Bought this item on

08-20-2012
02:49:09 08-20-2012 Very good! Overall:  
  • Pros: This product is excellent, great quality and autonomy ... I use in CREE flashlights.
  • Cons: no comments!
  • Other Thoughts: The website has great prices and delivered exactly what they promised. Batteries arrived in standard time, well packaged. I would definitely do business with this company again.

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Sergej

from (Belarus)

Bought this item on

05-18-2012
16:59:22 05-18-2012 good batt. Overall:  
  • Pros: for the money - a good product.
  • Cons: battery capacity slightly less than the stated
  • Other Thoughts: I have three light where I use these accumulators. I recommend them to pokupke.Sobirayus hiking, and I want to buy more of these accumulators to be able not only to put them in the lights and charge the GPS and phone.

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Juceli

from (Brazil)

Bought this item on

05-09-2012
03:53:29 05-09-2012 Thanks Overall:  
  • Pros: battery, good quality, very useful for what I want to run ... I hope you have good durability ... not yet tested the length of time to recharge ... but it is useful ..
  • Cons: no comments ... nothing against ...
  • Other Thoughts: None!

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Ethel

Bought this item on

03-05-2012
00:00:00 03-05-2012 Really nice! Overall:  
  • Pros: Marvelous!
  • Other Thoughts: I have bought two extra battery and changed even genuine one. batteries hold charge very well. very satisfied.

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Uriah

Bought this item on

02-22-2012
00:00:00 02-22-2012 Fantastic! Overall:  
  • Pros: Wow~
  • Other Thoughts: I bought a couple of batteries for some other uses in case I don’t have time to charge my battery. The batteries last longer than I expected

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H. Vu

from (Vancouver, BC)

Bought this item on

02-08-2012
15:27:51 02-08-2012 Good Value. Overall:  
  • Other Thoughts: Great value for what what you get. The batteries hold a long charge. I was discharging them using my 250 lumes flashlight and the batteries ranged from 8 hours to 18 hours until dead. No problems and great value if you need more than one battery.

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