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Total Seller Ratings: 4.72/5
UltraFire

TR 18650 2400mAh 3.7V Lithium Rechargeable Battery 2pcs Free shipping

Digg(113) ( 39 Reviews)
       
US $5.99
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What do you expect from batteries? These UltraFire TR 18650 2400mAh 3.7V Lithium Rechargeable Batteries will allow you to get incredible runtime.Protection circuits are attached to these lithium rechargeable batteries to ensure that you do not overcharge or over discharge them. The UltraFire rechargeable batteries feature a button top, which make it particularly compatible with many flashlight applications. And these 18650 rechargeable batteries hold a charge longer than traditional batteries. More important, the lithium rechargeable batteries are of high capacity and low consumption. With these lithium rechargeable batteries, you always have fresh batteries for your electronics.Rechargeable lithium batteries are rapidly becoming a very economical way to lower the operating costs of lithium-powered flashlights. Practical and reliable, try these batteries!
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UltraFire TR 18650 2400mAh 3.7V Lithium Rechargeable Battery 2pcs Free shipping
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Product Description

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  • Specifications:

    • Lithium ion TR 18650 rechargeable batteries
    • Higher energy density and lower weight than other types lithium rechargeable batteries
    • Building portable power device needing high energy density and low weight
    • Capacity: 2400mAh
    • Voltage: 3.7V
    • Dimensions: 18.2 x 65 mm / 0.7 x 2.56 in (Dia. X L)

    Details:

    UltraFire TR 18650 2400mAh 3.7V Lithium Rechargeable Battery 2pcs Free shipping

    Lithium Rechargeable Batteries

    • The lithium rechargeable batteries are made of high quality material, reliable and durable for long time use

    UltraFire Rechargeable Batteries

    18650 Rechargeable Batterie

    • The UltraFire rechargeable batteries are of high capacity and low consumption, more practical, save a lot for you

    Size in Detail:

    UltraFire TR 18650 2400mAh 3.7V Lithium Rechargeable Battery 2pcs Free shipping

    How to Choose Rechargeable Battery:

    Lithium Rechargeable Batteries

    Buying rechargeable batteries can save you a lot of money in a short amount of time. If you use technology gadgets such as digital cameras and handheld games, rechargeable batteries are almost a must. Not only can you save money by using rechargeable batteries, but you can also save on the amount of toxins from batteries that go into landfills.

    Types of batteries

    • Pick nickel metal hydride (NiMH) batteries for high-capacity charges. Although you can purchase D batteries that are rechargeable, the larger batteries don't hold their charge as well as smaller AA and A batteries do. While these NiMH batteries stay charged for quite a while, you shouldn't depend on them for items such as smoke detectors or flashlights because they do lose their charge over time whether they get used or not. NiMH batteries can have numerous charges over their lifetime, but it's best to let the batteries run down before you charge them rather than repeatedly "topping them off" with a new charge. Most electronic devices shut themselves off before damaging the batteries, although flashlights may let the rechargeable batteries run down to a point where the batteries may no longer take a charge.
    • You may still find older nickel-cadmium (NiCd) rechargeable batteries, but avoid purchasing them. The technology for the NiMH batteries and their improved charge-holding capacity more than justifies any differences in costs.
    • Select the newer low self discharge (LSD) NiMH batteries for a battery with long storage capacity. Once charged, these NiMH batteries have the same shelf life as alkaline batteries. These batteries are available in all sizes, but the AAA and AA size are more common than the C, D and 9-volt sizes.

    Battery Capacity

    • Look for batteries with a higher milliampere hour (mAh) rating. This refers to the amount of electricity delivered at any given moment. Electronic devices can handle a range of mAh without damaging the device. So as the rechargeable batteries begin to lose power, they do no damage to the device. Batteries with a higher mAh may look exactly like a battery with a lower mAh but typically they cost more.

    Battery Chargers

    • Buy the battery charger that suits your needs. In some instances you can purchase the charger and batteries as a package deal, but if you want your battery charger to maintain your rechargeable batteries properly, you may need to pay more for special features.
    • Look for a battery charger that recharges a variety of battery sizes. Select a unit that has a reconditioning cycle. This keeps you from overcharging your batteries. Some models do this automatically while others have a switch you must flip to go into reconditioning mode.

    How to Extend Your Battery Life:

    UltraFire Rechargeable Batteries

    • 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 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 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 battery life is heat. If you were to leave your laptop plugged in and running for a year, you should expect the 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 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

    NOTE:

    18650 Rechargeable Batterie

    • Strongly suggest you use the protected battery for it can really protect your battery well and extend your battery life as well as avoid the over-charging and over-discharging of your battery
    • We are not responsible for the broken of the battery and charger for your users' wrong using methods 
    • Rechargeable batteries that have been in storage for weeks or months will lose power and need to be recharged before being used

    Package Included:

    • 2 x Lithium Rechargeable Batteries

Customers' Reviews

Overall:
  ( 39 Reviews)
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Quality:
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The first five reviews by: Brian Young

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I have bought this product

George

Bought this item on

11-05-2012
00:00:00 11-05-2012 worth the money Overall:  
  • Pros: awesome deal
  • Other Thoughts: To sum it up in a few words: After pissing away money on previous cheaper Lithium Rechargeable Batteries, I must say that this one is well worth the money.

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Osborn

Bought this item on

11-01-2012
00:00:00 11-01-2012 better than I expected Overall:  
  • Other Thoughts: For the price, the Lithium Rechargeable Batteries quality is great, I would have expected more rubberized components to keep the elements from damaging this over time. However, for functionality, this battery is very good and more than accomplishes the task.

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Dats

Bought this item on

10-29-2012
00:00:00 10-29-2012 Then it worked so well. Overall:  
  • Pros: wonderful
  • Other Thoughts: On receipt of the item, I got it installed ...It was a BREEZE !Then it worked so well.

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Harvey

Bought this item on

10-23-2012
00:00:00 10-23-2012 great deal Overall:  
  • Other Thoughts: For the price and how many you get they are a great buy. They work great and look great. I will buy Lithium Rechargeable Batteries again.

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Ivan

Bought this item on

10-16-2012
00:00:00 10-16-2012 Very well product Overall:  
  • Other Thoughts: I'm so glad I stumbled across UltraFire Rechargeable Batteries while surfing the internet! The price is right also.

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Cuberantcamper

from (Southern Utah)

Bought this item on

08-07-2012
01:55:47 08-07-2012 Does the job for a good price. Overall:  
  • Pros: Decent cell at a good price.
  • Cons: Wish these cells were a little shorter.
  • Other Thoughts: 18650 lithium cells are the only way to to with the high powered LED flashlights. The regular 123 non-rechargeable batteries do not last near as long as these cells. You don't end up with half charged cells.

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40 DinoPoint gained for this post

Toby

Bought this item on

03-13-2012
00:00:00 03-13-2012 useful ,simple Overall:  
  • Pros: terrific
  • Other Thoughts: I love the one , as I expected ,it was useful ,simple and very elegant. I bought it for my friend . and she loved it

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Ralap

Bought this item on

02-24-2012
00:00:00 02-24-2012 very pleased Overall:  
  • Other Thoughts: This product has the ability to change all of your watch battery needs. I am very pleased with the product and value.

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Moore

Bought this item on

02-13-2012
00:00:00 02-13-2012 descriptions are accurate. Overall:  
  • Pros: impressed
  • Other Thoughts: I have purchased from this merchant many times in the past, and I am real happy with the way they do business and the item descriptions are accurate.

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Lennon

Bought this item on

02-09-2012
00:00:00 02-09-2012 cheaper than a retail shop. Overall:  
  • Other Thoughts: Product received as shown and described. Individually packed and fits to most of my wristwatches. Most importantly, it's a lot cheaper than a retail shop.

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