General Product Information - Batteries 
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The Nickel Metal Hydride (Ni-MH) rechargeable batteries are rapidly becoming the most popular choice of music player users, digital camera users, photographers, cellular phone and laptop users, and many others. This is because Ni-MH batteries have a much higher capacity and are virtually memory free. These batteries we sell here at I.B.L have very little difference compared to the top brands like energizer rechargeables when we performed our tests. This is probably so, as the battery contents are both still pretty much the same (Ni-MH) regardless of the brand labelling. Also, these batteries do not need to be discharged every time before recharging. Ni-MH batteries can be damaged from heat due to overcharging but this is easily avoided by using a high quality, controlled battery charger or a battery charger designed for NiMH batteries, or by using a slow safe standard charge power, like the one in this set; in addition to following charging directions of course.
These batteries(1.2-1.4V) can be used in replace of most 1.5V AAA batteries in nearly every device that uses them (read FAQ for more info). Under normal conditions, you can expect these batteries to last anywhere from 300 to 1000 full recharge cycles. This will vary based on how it is used, along with the ambient environment, wear and tear experienced as well as the type of charger used, and the charge power and speed etc. Normally after 300 - 400 cycles, the battery capacity will decrease by around 12%. Keep in mind that this is the amount of charge the Batteries will hold, and not the quality of the power output supplied.
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The USB charger is designed for charging all sorts of AAA batteries. In the battery charging world, a quicker recharge speed is definitely not the best way to go. Most Ni-MH Batteries can withstand being overcharged almost indefinitely if they are charged at a slow rate in most suitable cool environments. however, fast charges can very rapidly overheat them and ruin them long before you realise. The manufacturer for this model states that the charge time for this USB charger should be around 7-12 hours (a conservative estimate), and we decide to stock them as they coincide with a standard 8 hour job work shift. We independently tested the charge power ourselves, and it came to an average of 0.08Amps (80mA) at 4.6 Volts (We had many USB devices installed and our USB power supply was in short supply. Regardless, we find it to be relatively safe for charging these batteries in case you forget to take them out from the charger.
At this rate, charging for under 10 hours may greatly enhance the battery's service life when compared to a fast battery charge or overcharge. It connects to your computer's USB port, and does not contain any dangerous circuitry that you could electrocute yourself with unlike mains chargers. The charger's power will vary slightly between comptuers, but should not significantly affect the charge time. Also, because it doesn't drain much power, it will not affect your computer's devices as much compared to other USB battery chargers.
The charger comes with a resistors/voltage rectifier to prevent incorrect alignment of batteries, as well as a LED light to indicate that charging is active.
How do i use them? 
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Firstly, we recommend you charge the batteries first, they come around half charged from the factory. Once charged, insert the batteries into your device correctly. They can be used in replace of 1.5V AAA batteries despite being 1.2V (See FAQ). Observe the correct polarity at all times. For these four batteries, the Yellow part of the battery is the Negative end, and the Blue part is the positive.. It is also written on the labelling. To keep your batteries healthy, recharge them often and avoid running them down to to little or no charge. and charge them slowly over a period of time. Avoid overheating them above 45 degrees Celsius.
If your battery is only half used, charge it for half the time. do not charge it for the full period or you may overcharge it.
To use the charger, connect it to a free USB port on your computer. On many modern desktop computers, the USB ports still function even when the computer has shut down (as long as the main switch is running). This is due to the power supply taking a very small amount of electricity from the mains socket for USB power. Connect the charger to a free USB port and insert the battery into it while observing the correct polarity (+/-). If the red LED lights up, then the battery is being charged. If there is no red light, you may have to turn the computer on. (If so, you may wish to charge it at work while you are at the computer on an 7-8 hour work shift). Once the charging starts, let the battery charge in a relatively cool environment and the battery should be ready for use after 7 hours.
It is best the recharge the batteries before they are totally dead. It is usually unnecessary to 'condition' these batteries, despite common myth. However, you should try to use these batteries with other rechargeable batteries of similar discharge status and voltage and physical makeup(Ni-MH). It is a good habit to keep similar batteries together. Also avoid using these rechargeable batteries with non-rechargeable batteries.
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