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Oppon

BTY 2300mAh AA 1.2V Ni-MH Rechargeable Battery 4 Pcs

 
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Stay powered up for a long time. This 2300mAh AA 1.2V Ni-MH Rechargeable Battery is made of high quality material for a long time using. The Rechargeable Ni-MH Batteries is designed for all AA Batteries appliances. It is very convenient to have spare Rechargeable Batteries on hand. With such AA Rechargeable Batteries you always have fresh AA Batteries for your electronics. They can be recharged to full power at any time using a wide range of chargers. Since they are renewable and reusable, these batteries are a good economic and environmental choice. It has such a competitive price. You will get more than you paid! It's time to make a sensible choice!
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Product Description

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  • Specifications:

    • 100% satisfaction rechargeable Ni-MH  batteries guarantee
    • Rechargeable batteries is designed for all AA batteries appliances
    • It is very convenient to have spare rechargeable batteries on hand
    • With such AA rechargeable batteries you always have fresh AA batteries for your electronics
    • Ultra-low-power, many times cycle
    • Voltage: 1.2V
    • Battery Type: Ni-MH Rechargeable Battery
    • Capacity: 2300mAh
    • Standard Charge: 2300mAh for 16 hours
    • Quick Charge: 550mAh for 5 hours

    Detail:

    Oppon BTY 2300mAh AA 1.2V Ni-MH Rechargeable Battery 4 Pcs

    • This 2300mAh AA 1.2V Ni-MH Rechargeable Battery is made of high quality material for a long time using

    Battery

    • Stay powered up for a long time

    Table of rechargeable battery technologies:

    Type

    Voltage

    Energy density b

    Powerc

    Effi.d

    E/$e

    Disch.f

    Cyclesg

    Lifeh

    (V)

    (MJ/kg)

    (Wh/kg)

    (Wh/L)

    (W/kg)

    (%)

    (Wh/$)

    (%/month)

    (#)

    (years)

    Lead-acid

    2.1

    0.11-0.14

    30-40

    60-75

    180

    70%-92%

    5-8

    3%-4%

    500-800

    5-8 (car battery), 20 (stationary)

    VRLAi

    2.105

     

     

     

     

     

     

     

     

     

    Alkaline

    1.5

    0.31

    85

    250

    50

    99.9%

    7.7

    <0.3

    100-1000

    <5

    Ni-iron

    1.2

    0.18

    50

     

    100

    65%

    5-7.3

    20%-40%

     

    50+

    Ni-cadmium

    1.2

    0.14-0.22

    40-60

    50-150

    150

    70%-90%

    1.25-2.5

    20%

    1500

     

    NIH2

    1.5

     

    75

     

     

     

     

     

    20,000

    15+

    NiMH

    1.2

    0.11-0.29

    30-80

    140-300

    250-1000

    66%

    2.75

    30%

    500-1000

     

    Ni-zinc

    1.7

    0.22

    60

    170

    900

     

    2-3.3

     

    100-500

     

    Li ion

    3.6

    0.58

    150-250

    250-360

    1800

    80-90%

    2.8-5

    5%-10%

    1200

    2-3

    Li polymer

    3.7

    0.47-0.72

    130-200

    300

    3000+

     

    2.8-5.0

     

    500~1000

    2-3

    LiFePO4

    3.25

     

    80-120

    170

    1400

     

    0.7-3.0

     

    2000+

     

    Li titanate

    2.3

     

    90

     

    4000+

    87-95%r

    0.5-1.0

     

    9000+

    20+

    ZnBr

     

     

    75-85

     

     

     

     

     

     

     

    NaS

     

     

    150

     

     

    89%-92%

     

     

     

     

    Molten salt

    2.58

     

    70-110

    160

    150-220

     

    4.54

     

    3000+

    8+

    Silver zinc (Ag-zinc)

    1.86

     

    130

    240

     

     

     

     

     

     

    What rechargeable battery is:

    Ni-MH Rechargeable Battery

    • A rechargeable battery or storage battery is a group of one or more electrochemical cells. They are known as secondary cells because their electrochemical reactions are electrically reversible. Rechargeable batteries come in many different shapes and sizes, ranging anything from a button cell to megawatt systems connected to stabilize an electrical distribution network. Several different combinations of chemicals are commonly used, including: lead-acid, nickel cadmium (NiCd), nickel metal hydride (NiMH), lithium ion (Li-ion), and lithium ion polymer (Li-ion polymer)
    • Rechargeable batteries have lower total cost of use and environmental impact than disposable batteries. Some rechargeable battery types are available in the same sizes as disposable types. Rechargeable batteries have higher initial cost, but can be recharged very cheaply and used many times.

    Usage and applications:

    AA 2300mAh Ni-MH Rechargeable Battery

    • Rechargeable batteries are used for automobile starters, portable consumer devices, light vehicles (such as motorized wheelchairs, golf carts, electric bicycles, and electric forklifts), tools, and uninterruptible power supplies. Emerging applications in hybrid electric vehicles and electric vehicles are driving the technology to reduce cost and weight and increase lifetime.[1]
    • Normally, new rechargeable batteries have to be charged before use; newer low self-discharge batteries hold their charge for many months, and are supplied charged to about 70% of their rated capacity.
    • Grid energy storage applications use rechargeable batteries for load leveling, where they store electric energy for use during peak load periods, and for renewable energy uses, such as storing power generated from photovoltaic arrays during the day to be used at night. By charging batteries during periods of low demand and returning energy to the grid during periods of high electrical demand, load-leveling helps eliminate the need for expensive peaking power plants and helps amortize the cost of generators over more hours of operation.
    • The US National Electrical Manufacturers Association has estimated that U.S. demand for rechargeable batteries is growing twice as fast as demand for nonrechargeables

    Charging and discharging:

    011111111110

    Diagram of the charging of a secondary cell battery

    • During charging, the positive active material is oxidized, producing electrons, and the negative material is reduced, consuming electrons. These electrons constitute the current flow in the external circuit. The electrolyte may serve as a simple buffer for ion flow between the electrodes, as in lithium-ion and nickel-cadmium cells, or it may be an active participant in the electrochemical reaction, as in lead-acid cells.
    • The energy used to charge rechargeable batteries usually comes from a battery charger using AC mains electricity. Chargers take from a few minutes (rapid chargers) to several hours to charge a battery. Most batteries are capable of being charged far faster than simple battery chargers are capable of; there are chargers that can charge consumer sizes of NiMH batteries in 15 minutes. Fast charges must have multiple ways of detecting full charge (voltage, temperature, etc.) to stop charging before onset of harmful overcharging.
    • Rechargeable multi-cell batteries are susceptible to cell damage due to reverse charging if they are fully discharged. Fully integrated battery chargers that optimize the charging current are available.
    • Attempting to recharge non-rechargeable batteries with unsuitable equipment may cause battery explosion.
    • Flow batteries, used for specialised applications, are recharged by replacing the electrolyte liquid.
    • Battery manufacturers' technical notes often refer to VPC; this is volts per cell, and refers to the individual secondary cells that make up the battery. For example, to charge a 12 V battery (containing 6 cells of 2 V each) at 2.3 VPC requires a voltage of 13.8 V across the battery's terminals.
    • Non-rechargeable alkaline and zinc-carbon cells output 1.5V when new, but this voltage gradually drops with use. Most NiMH AA and AAA batteries rate their cells at 1.2 V, and can usually be used in equipment designed to use alkaline batteries up to an end-point of 0.9 to 1.2V.

    Reverse charging:

    • Subjecting a discharged cell to a current in the direction which tends to discharge it further, rather than charge it, is called reverse charging; this damages cells. Reverse charging can occur under a number of circumstances, the two most common being:
    • When a battery or cell is connected to a charging circuit the wrong way round.
    • When a battery made of several cells connected in series is deeply discharged.
    • When one cell completely discharges ahead of the rest, the live cells will apply a reverse current to the discharged cell ("cell reversal"). This can happen even to a "weak" cell that is not fully discharged. If the battery drain current is high enough, the weak cell's internal resistance can experience a reverse voltage that is greater than the cell's remaining internal forward voltage. This results in the reversal of the weak cell's polarity while the current is flowing through the cells[3][4]. This can significantly shortens the life of the affected cell and therefore of the battery. The higher the discharge rate of the battery needs to be, the better matched the cells should be, both in kind of cell and state of charge. In some extreme cases, the reversed cell can begin to emit smoke or catch fire.
    • In critical applications using Ni-Cad batteries, such as in aircraft, each cell is individually discharged by connecting a load clip across the terminals of each cell, thereby avoiding cell reversal, then charging the cells in series

    Common rechargeable battery types:

    Oppon BTY 2300mAh AA 1.2V Ni-MH Rechargeable Battery 4 Pcs

    • Graph of mass and volume energy densities of several secondary cells

    Nickel-cadmium battery (NiCd):

    • Created by Waldemar Jungner of Sweden in 1899, based on Thomas Edison's first alkaline battery[citation needed]. Using nickel oxide hydroxide and metallic cadmium as electrodes. Cadmium is a toxic element, and was banned for most uses by the European Union in 2004. Nickel-cadmium batteries have been almost completely superseded by nickel-metal hydride (NiMH) batteries.

    Nickel-metal hydride battery (NiMH):

    • First commercial types were available in 1989.[20] These are now a common consumer and industrial type. The battery has a hydrogen-absorbing alloy for the negative electrode instead of cadmium.

    Lithium-ion battery:

    • The technology behind lithium-ion battery has not yet fully reached maturity. However, the batteries are the type of choice in many consumer electronics and have one of the best energy-to-mass ratios and a very slow loss of charge when not in use.

    Lithium-ion polymer battery:

    • These batteries are light in weight and can be made in any shape desired.

    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.

    NOTE:

    • Do not disassemble, short circuit or dispose of in fire
    • Do not mix with different battery type

    Package Included:

    • 4 x AA 2300mAh Ni-MH Rechargeable Batteries

Customers' Reviews

Overall:
  ( 45 Reviews)
Price:
Quality:
Ease Of Use:
Usefulness:
Features:
The first five reviews by: kay keely

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I have bought this product

el arturo

from (Guadalajara , Mexico)

Bought this item on

09-05-2013
23:19:13 09-05-2013 Buenas baterias Overall:  
  • Pros: Funcionan perfecto con mi control de xbox 360, y duran bastante tiempo. con mi teclado inalambrico duro como casi un mes sin recarga
  • Cons: none ninguno..........................................
  • Other Thoughts: none

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20 DinoPoint gained for this post

Jol66

from (Australia)

Bought this item on

07-13-2013
21:35:37 07-13-2013 I would buy this product again Overall:  
  • Pros: Great price multiple uses. Works as they are supposed to.
  • Cons: none Nada
  • Other Thoughts: Great for my torch and e reader lamp and various other appliances. What else can I say there rechargeable batteries.

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LaCrosse

from (usa)

Bought this item on

10-13-2012
12:40:38 10-13-2012 actual capacity is 200mAh Overall:  
  • Pros: so light that it probably has a button-cell battery inside. actual capacity is only 200mAh
  • Cons: not 2300mah. actual capacity is only 200mah. that's only 8 percent.
  • Other Thoughts: not 2300mah. actual capacity is only 200mah. that's only 8 percent.

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BigEars

from (AU)

Bought this item on

09-03-2012
11:52:14 09-03-2012 Good bang for the bucks. Overall:  
  • Pros: Nice and cheap, so far all working well and no failures.
  • Cons: Time it takes for delivery and risk of customs problems.
  • Other Thoughts: I have not recharged these batteries that that many times so only time will tell how long they last for.

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MICHAEL

from (HOUSTON, TX)

Bought this item on

07-04-2012
23:17:07 07-04-2012 GOOD VALUE; GOOD PRODUCT Overall:  
  • Pros: THESE ARE HIGH POWERED BATTERIES THAT ARE GOOD TO USE IN HIGH-DRAIN DEVICES. THEY LAST A LONG TIME ON A FULL CHARGE. CHARGING TIME VARIES DEPENDING ON YOUR BATTERY CHARGER. THEY CAN BE CHARGED OVER 1000 TIMES, SO YOU ARE SAVING A LOT OF MONEY COMPARED TO ALKALINE BATTERIES.
  • Other Thoughts: None!

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R. Gale

Bought this item on

03-12-2012
00:00:00 03-12-2012 They're batteries Overall:  
  • Pros: Light and simple: it works
  • Other Thoughts: Good value for a lot of batteries. The package they came in was kind of cool, too. Better than the standard blister pack at the stores, anyway. Not a lot more to say about them.

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Karen

Bought this item on

03-03-2012
00:00:00 03-03-2012 Recent production date Overall:  
  • Other Thoughts: Received in a timely manner, they look just like the picture. Presume they will work when I need them. They are great, so I expect at least 8 hours out of one of my daughter's toys.

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Paul

Bought this item on

02-27-2012
00:00:00 02-27-2012 Nothing beats our office Overall:  
  • Other Thoughts: We have found that nothing powers our wireless office, and the prices on these packages was fantastic! Recommend this deal highly!

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MikeP

from (Russia)

Bought this item on

02-24-2012
15:22:51 02-24-2012 excellent quality Rechargeable Ni-MH Battery Overall:  
  • Pros: For a long time Rechargeable Ni-MH Battery makes them indispensable in the work of my mp3 player, Great price for a set of 4 pieces of batteries of excellent quality.
  • Other Thoughts: On first use, requires a full battery discharge and subsequent charge of at least 16 hours. After completing this condition my Rechargeable Ni-MH Battery batteries have run much longer.

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J. Masury

Bought this item on

02-21-2012
00:00:00 02-21-2012 POWER! Overall:  
  • Other Thoughts: The batteries provide all the power and constant dependable service my family need. Pricing is reasonable and the quality is great!

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