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Buy Rechargeable AA Batteries Online

Updated on April 11, 2013

Practically every gadget or toy you buy requires batteries, and the most frequently used is the AA battery.

How much more pleasant to relax in the comfort of your own home and order your rechargeable AA batteries online, to be sent directly to your home for your convenience.

Rechargeable batteries are much more cost effective than the use once and throw away type. They may be a little bit more expensive at the outset, but they can last for years and years if you take good care of them.

All batteries should be discharged and removed from the appliance they power when not in use for any length of time.

No more tears when you find that the new toy one of the kids received in a gift needs batteries, especially AA batteries, and there are none in the box.

Have your own supply ready to hand so that you never run out, and always have fresh ones in standby.

What are NiMH batteries?

NiMH stands of nickel-metal hydride, and NiMH batteries work very similarly to nickel-cadmium batteries.

NiMH batteries use less volatile components and are more environmentally friendly.

The metal in a NiMH battery is nickel plus another metal, often titanium.

The nickel itself is usually supplemented with cobalt, manganese and aluminium and the higher quality NiMH batteries also contain zirconium or vanadium.

NiMH batteries are longer lasting that all other rechargeable batteries with the exception of lithium batteries which tend to be very expensive.

It is safest to charge NiMH batteries in a charger specifically intended for NiHM batteries.

Using another charger intended for a different type of rechargeable battery can damage the batteries.

NiHM batteries overheat easily. Some chargers encapsulate a fan specifically to cool the batteries as they are charging.

NiMH batteries are most commonly used in consumer electronics, and it is normally cheaper to buy them in bulk than singly.

USB batteries charging in a USB port
USB batteries charging in a USB port

USB Cell batteries

What a great idea!

The USB CELL AA Rechargable Battery comes with a removable lid.

Underneath is a USB plug that you simply pop into any USB port on your computer to charge.

They use NiHM batteries, which can be partially charged and discharged without loss of potential power. They take about 5 hours to charge completely.

  • Charges from any USB Port
  • NiMH 1.2v 1300mah AA battery
  • Easy recharge on the go, at home or in the office
  • Can be recharged hundreds of times
  • Environmentally friendly

Simply replace the lid and use your batteries just like normal AA batteries in cameras, radios, clocks, toys and anything else you would use AA batteries for.

What are Lithium Batteries?

Lithium batteries are long lasting batteries that have almost become the industry standard due to their incredible ability to last and last, long after other lesser batteries have fallen by the wayside and died.

Lithium batteries cannot be recharged. Lithium-ion batteries are rechargeable.

Lithium - ion batteries

Lithium Ion batteries are widely used in laptops, cameras, ipods and many consumer electronics.

The advantages of lithium-ion rechargeable batteries are:

  • They hold their charge. Lithium ion batteries lose 5% of their charge per month compared to the massive 20% of NiHM batteries.
  • They have no memory effect. This means they can be used time and time again without having to completely discharge them between times.
  • They can be charged and discharged hundreds of times.

The disadvantages of lithium ion rechargeable batteries are:

  • They have a limited life span. They only last 2 to 3 years regardless of how much or little you use them.
  • They are extremely sensitive to high temperatures. This causes rapid degradation of the batteries.
  • A complete discharge ruins them.
  • They are more expensive due to their on-board computer packs.
  • Failure of the battery pack can cause them to burst into flames (very rare).

Rechargeable Ni-Cad Batteries and Chargers at Amazon

NiCd batteries

NiCd stands for nickel cadmium. NiCd batteries are made from nickel oxide hydroxide and use the metal cadmium as electrodes to power it.

The word NiCad is actually a registered brand name from the SAFT Corporation, but has come to be known to describe all nickel cadmium batteries.

To avoid confusion, many manufacturers now use the shortened name NiCd.

Nicd batteries are probably best used for toys and power tools that require rapid surge currents. NiCd batteries can supply this better than NiHM batteries.

NiCd batteries do suffer from memory effect, although it is technically more correct to call it voltage depression.

This means that when a battery is consistently charged and then only partly used before being recharged, it does lose its potential to fully charge.

This is correctable however, by discharging completely, and then recharging completely. You might have to repeat the cycle two or three times, but the full voltage does return doing this.

Also, if you store your fully charged NiCad batteries in the freezer (well wrapped of course to keep moisture out), they will retain its charge. At room temperature they continually lose charge, even when not in use.

Another danger when using NiCd batteries is using the earliier models of chargers. Many of them do not have a cut-off switch, and so continued to charge an already fully-charged battery. This damaged the cells within them, shortening their useful working life.

Modern chargers switch-off after a set time or when the NiCd battery has fully charged.

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    • stars439 profile image

      stars439 

      7 years ago from Louisiana, The Magnolia and Pelican State.

      Great hub. Interesting. GBY.

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