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TrustFire®

14500 Lithium PCB Battery 900mAh 3.7V (2 Pcs)

 
Digg(181) ( 21 Reviews)
       
US $8.39
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· Orders over USD$ 50.00 will get free tracking services via air mail
What do you expect from batteries? This 14500 lithium battery will allow you to get incredible runtime. Protection circuits are attached to the 900mah lithium battery to ensure that you do not overcharge or over discharge these batteries. The 3.7V lithium battery holds a charge longer than traditional batteries. Such 14500 lithium battery is designed for all 14500 batteries appliances. It is very convenient to have spare rechargeable batteries on hand. With the 14500 lithium battery, you always have fresh batteries for your electronics. No memory effect means batteries can be recharged at any time, even when only partially drained. To save you a lot of trouble, try this 14500 lithium battery!

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Product Description

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  • Specifications:

    • The 14500 lithium battery is disposable (primary) batteries that have lithium metal or lithium compounds as an anode
    • Depending on the design and chemical compounds used, lithium cells can produce voltages from 1.5 V to about 3.7 V, over twice the voltage of an ordinary zinc-carbon battery or alkaline cell battery
    • 14500 lithium battery are widely used in products such as portable consumer electronic devices
    • Shell Material: Steel
    • Rated Voltage: 3.7V
    • Capacity: 900mAh
    • Internal Resistance: <= 100 milli Ohm
    • Low Voltage Cut Off: 2.75V
    • Over Charge Voltage Cut Off: 4.2V
    • Maximum Charge Current: 1.5C
    • Maximum Discharge Current: 1.5C
    • Diameter: 14.0 +/- 0.5mm
    • Height: 51.5 +/- 0.5mm
    • Environmental Temperature (Operating): 0~45'C
    • Environmental Temperature (Charging): -20~60'C
    • Dimensions: 50 x 15mm/2.0 x 0.6in(L x Dia.)

    Details:

     

    • The 3.7V lithium battery features 900mah capacity

    TrustFire TrustFire 14500 Lithium PCB Battery 900mAh 3.7V (2 Pcs)

    • This 900mah lithium battery is with low power consumption

    Applications:

    • Lithium batteries find application in many long-life, critical devices, such as artificial pacemakers and other implantable electronic medical devices. These devices use specialized lithium-iodide batteries designed to last 15 or more years. But for other, less critical applications such as in toys, the lithium battery may actually outlast the device. In such cases, an expensive lithium battery may not be cost-effective.
    • Lithium batteries can be used in place of ordinary alkaline cells in many devices, such as clocks and cameras. Although they are more costly, lithium cells will provide much longer life, thereby minimizing battery replacement. However, attention must be given to the higher voltage developed by the lithium cells before using them as a drop-in replacement in devices that normally use ordinary cells.
    • Small lithium batteries are very commonly used in small, portable electronic devices, such as PDAs, watches, camcorders, digital cameras, thermometers, calculators, laptop BIOS, communication equipment and remote car locks. They are available in many shapes and sizes, with a common variety being the 3 volt "coin" type manganese variety, typically 20 mm in diameter and 1.6-4 mm thick. The heavy electrical demands of many of these devices make lithium batteries a particularly attractive option. In particular, lithium batteries can easily support the brief, heavy current demands of devices such as digital cameras, and they maintain a higher voltage for a longer period than alkaline cells.
    • Some other lithium batteries use a platinum-iridium alloy instead of more usual compounds. These batteries are generally not preferred, as their cost is high and they tend to be fragile.

    Safety issues and regulation:

    900mAh 14500 Lithium Battery

    • The computer industry's drive to increase battery capacity can test the limits of sensitive components such as the membrane separator, a polyethylene or polypropylene film that is only 20-25 µm thick. The energy density of lithium batteries has more than doubled since they were introduced in 1991. When the battery is made to contain more material, the separator can undergo stress.

    Ingestion and choking hazard:

    • Button cell batteries are attractive to small children and often ingested. In very small children, they are a choking hazard. Lithium coin batteries lodged in the esophagus should be removed immediately. Leakage, chemical burns and potential perforation can occur within hours of ingestion.

    Rapid-discharge issues:

    • Lithium batteries can provide extremely high currents and can discharge very rapidly when short-circuited. Although this is useful in applications where high currents are required, a too-rapid discharge of a lithium battery can result in overheating of the battery, rupture, and even explosion. Lithium-thionyl chloride batteries are particularly susceptible to this type of discharge. Consumer batteries usually incorporate overcurrent or thermal protection or vents in order to prevent explosion.

    Air Travel:

    • Because of the above risks, shipping and carriage of lithium batteries is restricted in some situations, particularly transport of lithium batteries by air.
    • The United States Transportation Security Administration announced restrictions effective January 1, 2008 on lithium batteries in checked and carry-on luggage. The rules forbid lithium batteries not installed in a device from checked luggage and restrict them in carry-on luggage by total lithium content.
    • Australia Post prohibited transport of lithium batteries in air mail during 2010.

    Lithium batteries and methamphetamine labs:

    • Unused lithium batteries provide a convenient source of lithium metal for use as a reducing agent in methamphetamine labs. Some jurisdictions have passed laws to restrict lithium battery sales or asked businesses to make voluntary restrictions in an attempt to help curb the creation of illegal meth labs. For example a newspaper article from January 2004 reports that Wal-Mart stores limit the sale of disposable lithium batteries to three packages in Missouri and four packages in other states. However, the heavy demand for lithium batteries for use in modern, current-hungry devices such as digital cameras conflicts with such restrictions. Via internet retailers, such restrictions can usually be bypassed with little effort.

    The Advantages of Lithium-ion battery:

    • Wide variety of shapes and sizes efficiently fitting the devices they power.
    • Much lighter than other energy-equivalent secondary batteries.
    • High open circuit voltage in comparison to aqueous batteries (such as lead acid, nickel-metal hydride and nickel-cadmium). This is beneficial because it increases the amount of power that can be transferred at a lower current.
    • No memory effect.
    • Self-discharge rate of approximately 5-10% per month, compared to over 30% per month in common nickel metal hydride batteries, approximately 1.25% per month for Low Self-Discharge NiMH batteries and 10% per month in nickel-cadmium batteries. According to one manufacturer, lithium-ion cells (and, accordingly, "dumb" lithium-ion batteries) do not have any self-discharge in the usual meaning of this word. What looks like a self-discharge in these batteries is a permanent loss of capacity (see Disadvantages). On the other hand, "smart" lithium-ion batteries do self-discharge, due to the drain of the built-in voltage monitoring circuit.

    Disadvantages of Lithium-ion battery:

    Shelf life:

    • Charging forms deposits inside the electrolyte that inhibit ion transport. Over time, the cell's capacity diminishes. The increase in internal resistance reduces the cell's ability to deliver current. This problem is more pronounced in high-current applications. The decrease means that older batteries do not charge as much as new ones (charging time required decreases proportionally).
    • High charge levels and elevated temperatures (whether from charging or ambient air) hasten capacity loss. Charging heat is caused by the carbon anode (typically replaced with lithium titanate which drastically reduces damage from charging, including expansion and other factors).
    • A unit that is full most of the time at 25 °C (77 °F) irreversibly loses approximately 20% capacity per year. Poor ventilation may increase temperatures, further shortening battery life. Loss rates vary by temperature: 6% loss at 0 °C (32 °F), 20% at 25 °C (77 °F), and 35% at 40 °C (104 °F). When stored at 40%-60% charge level, the capacity loss is reduced to 2%, 4%, and 15%, respectively

    Internal resistance:

    • The internal resistance of lithium-ion batteries is high compared to other rechargeable chemistries such as nickel-metal hydride and nickel-cadmium. Internal resistance increases with both cycling and age. Rising internal resistance causes the voltage at the terminals to drop under load, which reduces the maximum current draw. Eventually increasing resistance means that the battery can no longer operate for an adequate period.
    • To power larger devices, such as electric cars, connecting many small batteries in a parallel circuit is more efficient than connecting a single large battery.

    Safety requirements:

    • Li-ion batteries are not as durable as nickel metal hydride or nickel-cadmium designs,[citation needed] and can be dangerous if mistreated. They may suffer thermal runaway and cell rupture if overheated or overcharged. In extreme cases, these effects may be described as "explosive." Furthermore, overdischarge can irreversibly damage a battery. To reduce these risks, batteries generally contain a small circuit that shuts down when the battery moves outside the safe range of 3-4.2 V. When stored for long periods, however, the small current drawn by the protection circuitry itself may drain the battery; normal chargers are then ineffective. More sophisticated battery analyzers can recharge deeply discharged cells by slow-charging them to first reactivate the safety circuit and allow the battery to accept charge. Overdischarge can short-circuit the cell, in which case recharging can be unsafe.

    Other safety features are required:

    • shut-down separator (for overtemperature)
    • tear-away tab (for internal pressure)
    • vent (pressure relief)
    • thermal interrupt (overcurrent/overcharging)
    • These devices occupy useful space inside the cells, reduce their reliability[citation needed]; ,and irreversibly disable the cell when activated. They are required because the anode produces heat during use, while the cathode may produce oxygen. These devices and improved electrode designs reduce/eliminate the risk of fire or explosion.
    • These safety features increase costs compared to nickel metal hydride batteries, which require only a hydrogen/oxygen recombination device (preventing damage due to mild overcharging) and a back-up pressure valve.
    • Many types of lithium-ion cell cannot be charged safely below 0°C.

    Package Included:

    • 2 x TrustFire 14500 Lithium Batteries

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HeliEye

from (Hertfordshire UK)

Bought this item on

07-07-2012

 
AA Size 3.7V.. packs a punch
19:35:11 07-07-2012
I needed a small size round Lipo battery for a small camera and transmitter. This AA sized LiPo was perfect for my project, I built a DC/DC boost converter to step-up to 5V. Twin AA Alkalines were not as good as this battery, with there high internal impedance.

None noted

Small and powerful, ideal for miniature electronic projects.

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CitivaCreationz

from (KCMO)

Bought this item on

01-21-2012

 
amazing value!
02:37:04 01-21-2012
These batteries are the cheapest I found online, with free fast shipping as well as good quality! I always will use DD for my wholesale battery needs :)

none!

awesome value for wholesale companies!

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CitivaCreationz

from (KC, MO)

Bought this item on

01-11-2012

 
Cheapest Batteries out there
11:01:29 01-11-2012
Cheapest price on the internet I have found for this product!! The order was shipped internationally to United States very quickly.

None

Perfect for wholesale business and fast shipping

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CitivaCreationz

from (KC, MO)

Bought this item on

01-11-2012

 
Cheapest lithium ion batteries out there!
11:00:29 01-11-2012
Cheapest price on the internet I have found for this product!! The order was shipped internationally to United States very quickly.

None

Product was very cheap and great for wholesale business

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CitivaCreationz

from (KC, MO)

Bought this item on

01-11-2012

 
Cheapest product out there!
10:59:17 01-11-2012
Cheapest price on the internet I have found for this product!! The order was shipped internationally to United States very quickly.

Some batteries were a bit longer

Great for wholesale business orders

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Scott Weitzel

Bought this item on

05-01-2011

 
Convenient
00:00:00 05-01-2011
This product is characterized by the simple and practical design, it is convenient for you to use it.
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Jenny McKee

Bought this item on

04-13-2011

 
Last for a long time
00:00:00 04-13-2011
With the high quality material, this 3.7 Lithium Battery can last for a long time.
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Miguel Mercado

Bought this item on

04-06-2011

 
Good replaced battery
00:00:00 04-06-2011
This 900mah Battery might be a good replaced battery. it fit quite well with my camera and does not require long time recharged.
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Judy Lewis

Bought this item on

03-31-2011

 
Quality material
00:00:00 03-31-2011
I bought it last week, i think it is worthy foy what i cost because of its high quality material.
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Maria Hernandez

Bought this item on

02-28-2011

 
Durability
00:00:00 02-28-2011
I know that choosing this Lithium Battery 3.7v is the wise choice, after a long time use, it still looks like a new one.
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Product FAQs
  • What is a Lithium Battery?
  • Lithium batteries are disposable batteries that use a lithium metal or other lithium-based compound as the anode. They should not be confused with lithium-ion batteries.

  • How do They Function?
  • In a typical battery of this design, metallic lithium is used as an anode and manganese dioxide as cathode. Between them is a separator of lithium salt in an organic solvent. On the bottom is a current collector made of carbon. Current flows into the battery through the anode and out again through the cathode, with the battery's "power" being generated by chemical reactions between the two.

  • What are They Used for?
  • Lithium batteries typically generate between 1.5 and 3 volts, but are very long-lived. This makes them ideal for uses that require very long life, but have low electrical demands. Remote controls, watches, clocks, and pacemakers are all common applications for lithium battery designs.

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