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.
Most of the laptops now a day are equipped with lithium mines ontario-ion batteries. Though there are Nickel-cadmium, Nickel metal hydride, etc, after the invention of Lithium-ion battery, because of its efficiency most of the laptop manufacturers are selling it along with their respective laptops.
Batteries - Many of the battery products found at the dollar stores are made with carbon zinc, as opposed to lithium, so they do not last as long. Carbon zinc can also leak, thus doing damage to your electronics.
More discounts on hybrid cars are already being seen. The reasons I see for this are federal tax credits are lapsing production costs are coming down there's more competition sales goals are still Lithium battery stocks high and getting higher and inventory is up.
Now yes, it depends on how you're using it. But the Apple creators say it will play movies solidly for hours for example before the Lithium mines Ontario iPad battery says feed me".
Power - this is another important thing which should be considered. You have to know that the more power that the drill has the faster the screw will be bale to go in. hence if your screws go in at a faster rate then you will be able to install your things in less time.
Recharge the battery to full again and repeat the above steps a few more times. This will allow you to use the battery for a longer time and you can do this no more than once a month. Replacement batteries can be expensive and stretching out their use when you are on a budget can help.