You might ask "What is the 3V motherboard battery"? On the majority of PCs the motherboard holds a +3 Volt Lithium Battery which is used for two functions. Firstly it keeps the computer time updated. Secondly, on older PC's it keeps the BIOS settings (Low level start-up instructions) in memory.
Now you want to discharge the battery. If you disable the hibernation setting or anything else that might make the computer go into power saving mode, it would be better. Let the computer run until it shuts down due to loss of battery power, then turn it back on.
Most of the laptops now a day are equipped with eddy stock-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.
These types of batteries also do not receive any damage if you use your phone while its charging. Older cell phones that used older types of batteries would damage the battery if used while charging. This simply is not the case anymore with the newer mobile phone batteries.
The weakest aspect of any smart phone would be battery life. You need to know the extent of your Lithium battery stocks Ion or suffer the consequences at the end of the sale. Most manufacturers offer some guidance on this department but only to the point they are most comfortable to share. What they wouldn't share to you is that you should never recharge your phone. You pick up the phone; saw that it is just around 30%. That is OK, leave it as it is. You juice it up fast, the device will not recharge as efficiently once you do it again. You need to drain the battery first from the stock power and then do the recharge.
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.
Some cordless impact drills are now using lithium-ion batteries which take a lot less time to get a full charge. For instance, I personally use a Makita 18V lithium-ion impact drill and it takes fifteen minutes to charge as opposed to my standard 18V Dewalt drill. The Makita is also equipped with a built-in LED light for illuminating areas with little to no light. The LED light feature in particular is one of my favorites.
Next on the list is our gas weed wackers little brother the cordless weed wacker. Cordless weed wackers are great for smaller yards and the environmentally friendly. When looking at cordless string trimmers, you can't miss out on WORX. WORX products are known for being easy to use and operate by home owners. Without any hassle of using gas and oil, the WORX GT WG151 18-Volt Cordless Electric Lithium-Ion String Trimmer/Edger. This tool is easy to use right out the box, and does excellent finish work on trimming your yard. Also the built in edger capability makes this the best cordless weed eater of 2010.