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 basic rule of getting a replacement battery is that it should have the same voltage as the original. An 18V drill cannot run on a 12V battery. It can only run on a 18V battery. The other thing is that the physical packaging of a battery can be different from company to company. A 12V Ryobi battery may not fit into a 12V Makita cordless drill unless the battery has the right physical dimensions. So make sure the replacement battery looks the same as the old one before you order it. Also, if you are looking for a replacement battery of the same voltage rating and by the same company, know that battery technology is changing rapidly. An 18V lithium-ion battery has a different physical packaging than a NiCad 18V battery.
Your iPod uses a lithium stocks canada ion battery. That is not the round kind found in a flashlight. Rather, it is a light, thin battery that is more powerful than conventional batteries. Using your device causes the battery to drain - simple enough. However, every time you charge your iPod battery, it loses some of its total charge. Over time, it will simply run out of power and you will have to replace the iPod battery with an iPod battery replacement kit.
The PrintStick is a mere 1" x 1.9" x 11" and weighs 1.9 pounds including the thermal paper and cartridge. It prints up to 3 pages per minute on 8.5" wide sheets. A cartridge will print 20 8.5 x 11 inches pages. Power options include AC 120-240, DC 12/24V, and rechargeable Lithium-ion battery.
The Lithium battery stocks-ion battery is light years ahead of the earlier batteries and considerably better than the Nickel-cadmium (Ni-Cd) or the nickel-metal hydride (Ni-MH) batteries which are still being used. These batteries are less expensive but the Li-ion batteries are far superior in three ways.
The battery will re-charge a little if placed on a hot surface, like a radiator. Never place a mobile phone battery on a hot surface! There is a significant chance of explosion with extreme heat. A modern Lithium mines Ontario battery becomes less efficient the warmer it gets.
Most automakers would like to see Lithium-Ion battery packs (you probably have a Li-Ion battery in your cell phone) which can store more energy. But as of right now, they are still too volatile/unreliable when placed in large packs for major carmakers to use. But that should be changing in the next few years. Both GM (with their Plug-In Saturn Vue) and Toyota (next generation Prius/ Hybrid Systems) believe the next generation of hybrids will come with Li-Ion battery packs.
Using these easy tips to keep the battery in the best condition won't do wonders, but will let you use it to the maximum number of recharges. Ever wondered why some laptops keep their maximum capacity for 3-4 years, while others dive under an hour of runtime in one? This is why.