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UltraFire™  

Protected 18650 Lithium Battery 3000mAh 3.7V 2 Pcs

by UltraFire   SKU: A09580000A
( 65 Reviews)
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Have you ever looked for a good 3.7V 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 Ultra Fire BRC 18650 rechargeable lithium battery is designed perfectly. We offer this UltraFire 18650 battery in order to meet customers’ different needs. This 3.7V Lithium Battery is precisely engineered and rigorously tested for voltage, capacity, compatibility and safety, which exceeds original mobile battery specifications. This 3.7V Lithium Battery is rapidly becoming a very economical way to lower the operating costs of flashlights and some other things. The voltage of this 3.7V Lithium Battery is 3.7V and the capacity is 3000mAh. This 18650 UltraFire 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. These Ultrafire Batteries are really practical. So please be quick to buy this good rechargeable Best Lithium Battery.
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  • Specifications:

    • The 3.7V Lithium Battery is rechargeable with no memory effect
    • This UltraFire 3.7V Lithium Battery has a long lifespan
    • This 18650 UltraFire 3.7V Lithium Battery is precisely engineered and rigorously tested for voltage, capacity, compatibility and safety
    • 18650 UltraFire Rechargeable Lithium battery can be used for flashlight and some other power consuming objects
    • Integrated microchip prevents overcharging and lengthens battery life
    • Take much convenience for your daily life
    • Chemistry: Li-Ion
    • Voltage: 3.7V
    • Capacity: 3000mAh
    • Dimensions: 69 x 18mm / 2.7 x 0.7in(L x Dia)

    Details:

    UltraFire UltraFire Protected 18650 Lithium Battery 3000mAh 3.7V 2 Pcs

    • The Best Lithium Battery is with small volume and delicate design

    3.7V Lithium Battery

    • Ultrafire 18650 rechargeable lithium battery allows you to get incredible runtime out of the flashlight

    Ultrafire Batteries

    • Integrated microchip prevents overcharging and lengthens battery life

    Best Lithium Battery

    • BRC Ultrafire Batteries has low self discharge rates and no memory

    B0035H58GG

    • The 18650 battery can be used for flashlight and some other power consuming objects

    UltraFire UltraFire Protected 18650 Lithium Battery 3000mAh 3.7V 2 Pcs

    • Low reoccurring operation cost

    3.7V Lithium Battery

    • The 18650 battery can be used in precisely engineered and rigorously tested for voltage, capacity, compatibility and safety

     Ultrafire Batteries

    • Take much convenience for your daily life

    Size in Detail:

    Best Lithium Battery

    What is lithium-ion batteries?

    B0035H58GG UltraFire UltraFire Protected 18650 Lithium Battery 3000mAh 3.7V 2 Pcs

    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).

    3.7V Lithium Battery

    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

    Ultrafire Batteries

    • 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:

    • 2 x UltraFire BRC 18650 Lithium Batteries

Customers' Reviews
Overall:
  ( 65 Reviews)
Price:
Quality:
Ease Of Use:
Usefulness:
Features:

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I have bought this product

petpet

from (Denmark)

Bought this item on

04-09-2012
04:21:15 04-09-2012 Very good price performance Overall:  
  • Pros: Have been using the batteries in T6 Cree flashlights and my conclusion is it is a Comparing to other 18650 batteries this is very good battery for a very good price
  • Cons: Havn't seen any
  • Other Thoughts: None!

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20 DinoPoint gained for this post

Nina

from ()

Bought this item on

03-05-2012
00:00:00 03-05-2012 Pleasant Surprise Overall:  
  • Other Thoughts: I am 100% satisfied with the battery and the service. Thank You

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Matthew

from ()

Bought this item on

02-29-2012
00:00:00 02-29-2012 Excellent Product Overall:  
  • Other Thoughts: Works great and fit like it is supposed to, charges and recharges quickly. When I need another one I will come back and order another

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SahuriX

from (Finland)

Bought this item on

02-24-2012
01:49:47 02-24-2012 DIY-builder's friends! Overall:  
  • Pros: Those are multi usable batteries, I' m using those many of my DIY-projeckts... Hope at there is come differnd size pattery cases for them.
  • Cons: The quality is a bit uneven...
  • Other Thoughts: Note at that these are easy to use whit other devices as flashlights too...

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20 DinoPoint gained for this post

Leopold

from ()

Bought this item on

02-22-2012
00:00:00 02-22-2012 Does what it claims Overall:  
  • Other Thoughts: I have bought two extra battery and changed even genuine one. batteries hold charge very well. very satisfied. great product great price

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Olga

from ()

Bought this item on

02-15-2012
00:00:00 02-15-2012 Great product for Price Overall:  
  • Other Thoughts: The replacement battery does exactly what a replacement battery should. <br/>Shipment arrived timely and was well package. Thanks!

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SahuriX

from (Finland)

Bought this item on

02-08-2012
10:22:51 02-08-2012 Good quality for that price! Overall:  
  • Pros: cheap, useful... Probably I'm going to use these some other devices too...
  • Cons: capacity is not quite the promised 3000mAh bat the price is so cheap at i dont mind...
  • Other Thoughts: To use,Only your imagination is the limit!

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20 DinoPoint gained for this post

Jeffrey

from ()

Bought this item on

02-08-2012
00:00:00 02-08-2012 Worth any price, honestly. Overall:  
  • Other Thoughts: I don’t have time to charge my battery. The batteries last longer than I expected

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Phyllis

from ()

Bought this item on

01-25-2012
00:00:00 01-25-2012 Good to have Overall:  
  • Other Thoughts: No issues at all with this battery order. Price was excellent as compared to retail, so I am very satisfied with purchase.

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Queena

from ()

Bought this item on

01-18-2012
00:00:00 01-18-2012 Does the job Overall:  
  • 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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Product FAQs
  • What is causing my battery to constantly die?
  • Well, if you have a new battery the litte needed power from the computer(when car is off) should not be the reason your batteries are dieing because plenty of people are not having this problem. If an battery was dead, it was usually because a door or most often the tailgate wasn't completely shut.

  • What will cause a battery to lose its charge when it sits?
  • There are several factor that cause your battery dies. The first is that when the battery is cold, their chemical reaction slows down and they are not as powerful. And when it is cold it doesn't take charge as easily either. Then your on boad electronics (clocks, etc.) slowly drain the already weak battery.

  • How does battery-charging without physical contact work?
  • Its using induction charge principle. Essentially the primary coil side of the transformer is built into the base and the secondary coil is built into the toothbrush. The primary winding of the inductive charger transmits charging power to the secondary winding, inside the target device, without making direct electrical or mechanical contact with it. In the target device, power is received with a coil and then rectified by a diode. This DC voltage is used in charging the battery of the device.

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