Most of the info here is generic in nature and can also be applied to any other cell phone. So for instance, if someone else in your home has an LG or Nokia or Motorola this would work for them as well. It's a brief history of the battery types used in modern day cell phones.
The battery chemistry has 3 types: NiCad, NiMH, and Lithium-ion. NiCad, or NiCd, battery is used in older cordless drill tools. They are the least expensive, so almost all inexpensive cordless tools use this type of battery. There is one problem with this battery. It's toxic to the environment. So when it's time to dispose the dead NiCd battery it's a problem.
The mating process between the two engines can be in series or in parallel. When the two powertrains are mated in series, only one of the motors controls the cars movement. The other one simply assists the first, dominant engine. This occurs most often in mild or assist hybrids. The Saturn Vue Green Line Belt Alternator System (BAS) is a good example. The concept vehicle named the Volt from GM is another good example of a series but eddy stock not a mild hybrid.
When an iPod battery dies, you can easily purchase an iPod mini battery replacement kit, instead of purchasing an entirely new unit. According to Apple, iPods are designed to last for years to come.
There are some concerns when it comes to these high powered batteries and how good they are for the environment. But all hybrid batteries are set to be recycled (Toyota has a $200 bounty on each Lithium battery stocks pack), and so unlike some lead batteries from conventional cars, they shouldn't end up in landfills.
ONickel Metal Hydride (NiMh) - Popular battery about 1-2 years ago. They are lighter than Nickel Cadmium batteries, but heavier than Lithium mines Ontario batteries. These should be cycled once in a while for optimum performance.
That's why manufacturers have created external laptop batteries that can be attached to the laptop with the help of an AC adapter. These external batteries can run for 5-7 hours with on a single charge. The battery life depends on the type of battery; lithium or Nickel, and the brand.
There are a couple of more considerations about choosing your cell phone battery which we cover with a later post. And don't forget the holidays are coming up so make sure you take a look at various face plates and extra batteries to enhance your gifts!