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UltraFire

2 x AA Size 900mAh 14500 Rechargeable Battery

Digg(103) ( 40 Reviews)
       
US $9.11
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Shipping cost: Free Shipping To Shipping cost:   S$ 0.00 To Singapore Via Estimate shipping fee
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What do you expect from a battery? This 14500 Rechargeable Battery will allow you to get incredible runtime. This Rechargeable Battery is made of high quality material for a long time using. This UltraFire Battery can provide excellent continuous power sources to your device. This Ultrafire Battery is good in low and high temperature operations. This Rechargeable Battery can be recharged to full power at any time using a wide range of chargers. Since this UltraFire Battery is renewable and reusable, this UltraFire Battery is a good economic and environmental choice. To save you a lot of trouble, try this battery! Take it home now! You will get more than you paid!

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Product Description

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  • Specifications:

    • Protection Kicks In: 2.75v and 4.2v
    • Maximum Charge/Drain Rate: 1.5C
    • Internal Resistance: <= 120m ohm
    • Charging Temp: 0 - 45C

    Features:

    • AA size 3.6V 14500, each capacity 900mAh
    • This Rechargeable Battery will allow you to get incredible runtime
    • This 14500 Rechargeable Battery is made of high quality material for a long time using
    • This Rechargeable Battery can provide excellent continuous power sources to your device
    • This Rechargeable Battery is good in low and high temperature operations
    • This UltraFire Battery can be recharged to full power at any time using a wide range of chargers
    • Over-charging / draining at 4.2v / 2,75v
    • The voltage of full charge & empty condition is 4.2v & 2.75v respectively

    Details:

    UltraFire 2 x AA Size UltraFire 900mAh 14500 Rechargeable Battery

    • This 14500 Rechargeable Battery is made of high quality material for a long time using

    Rechargeable Battery

    Ultrafire Battery

    • This UltraFire Battery can provide excellent continuous power sources to your device

    14500 Rechargeable Battery

    B002U0MZIS

    • This Rechargeable Battery can be recharged to full power at any time using a wide range of chargers

    4 Tips to Extend Your Lithium Battery Life:

    • Battery Memory - When I first got my new cellphone, my friend recommended to fully drain the battery before recharging it. His reasoning was connected to the idea of battery memory. Allowing the battery to fully discharge then recharging to max, supposedly gives you the complete battery capacity. Otherwise, if you simply charged from the half way point to max battery capacity, the battery would treat the half way point as the empty point, thus cutting your battery capacity in half
    • Battery Calibration - There are some benefits to fully discharging your lithium battery periodically, for laptops this can be especially important. If you start to notice your battery meter becoming more and more inaccurate, it may be time for some battery calibration. Allow your lithium battery completely drain, then charge until the battery is full again. This will calibrate your battery  giving you more accurate readings
    • Consequences of Heat - Another enemy of lithium battery life is heat. If you were to leave your laptop plugged in and running for a year, you should expect the lithium battery capacity to be anywhere between 60% to 80% of it's original max capacity. This is why people that use their laptops as desktop replacements will notice greatly reduced battery life performance after one year of use. This issue can be resolved by removing the battery while using a corded power source
    • Battery Storage - If you don't plan on using your lithium battery for prolonged periods of time, then you'll want to reduce the charge level to 40% and place the battery in the fridge (not freezer). Storing the battery at 100% charge level applies unnecessary stress and can cause internal corrosion. On the other hand, if the charge is too low, the battery can become permanently unusable, due to battery self discharge

    What is lithium-ion batteries?

    UltraFire 2 x AA Size UltraFire 900mAh 14500 Rechargeable Battery Rechargeable Battery

    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 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

    14500 Rechargeable 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:

    • 2 x AA UltraFire 14500 Rechargeable Batteries

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Average Customer Review:
  ( 40 Reviews)
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Sarah

Bought this item on

01-24-2012

 
Battery
00:00:00 01-24-2012
I am very happy with my new rechargeable battery, holds charge for the entire day. Good buy for the buck
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Harry G

Bought this item on

01-18-2012

 
Vey good battery
00:00:00 01-18-2012
Great product at great price!!. Fast delivery and product just as shown and described. Fast charging action. Highly recommended.
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David J.

Bought this item on

01-12-2012

 
Just what internet shopping should be
00:00:00 01-12-2012
This was a piece of cake. I ordered, I got it few days later, the battery is perfect, and it cost me six bucks or so. These folks did a great job, and I was thrilled with the value for the money.
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Emily

Bought this item on

01-06-2012

 
Exact replacement battery
00:00:00 01-06-2012
This battery is an exact OEM replacement. Just be sure to let the battery charge all the way before turning the phone on.
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Nick

Bought this item on

12-31-2011

 
Perfect
00:00:00 12-31-2011
This has made my machine new again. I am going to order another one just to have an extra battery on hand at all times! I recommend this battery to all looking for a new battery or secondary backup.
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Gary

Bought this item on

12-28-2011

 
Battery is great, works perfectly
00:00:00 12-28-2011
No problems at all with the battery or delivery of the product. Great price on the item, compare to the retail phone co's and you don't mind paying the high shipping cost!
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D.Crum

Bought this item on

12-21-2011

 
Can't Go Wrong!
00:00:00 12-21-2011
Really tough to be without my cell. Battery wouldn't charge. My granddaughter said I could get a replacement online, so I checked. I found the same battery here that I called our local company about, and it was less expensive. Really good buy.
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Allen

Bought this item on

12-14-2011

 
Great purchase
00:00:00 12-14-2011
Value Exceeds the Price

I was skeptical about purchasing a battery at this price. It looks brand new and has worked great. It holds a charge as good as my old one did when it was new. Shipping was immediate.

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David

Bought this item on

12-07-2011

 
Great price and service
00:00:00 12-07-2011
for the same battery - so cheap is ordered two so I can keep a charged spare with me when I travel. It shipped soon. I couldn't be happier.
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Stormie

Bought this item on

12-01-2011

 
Wonderful, pleasantly surprised!
00:00:00 12-01-2011
I bought this battery because my current battery was not holding charge anymore. Initially i bought this to just use when the other one ran out of juice. I was so happy and surprised when I found out this battery surpassed the battery life on the battery that came with the clock. I now use it as my full time battery. This is a great deal
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