If you have a laptop computer, do not expect your battery to last forever. They have a life span that can be measured mostly by how may times you charge it up. Generally it is about 300 to 500 times if you have a lithium-ion battery.
Most of the laptops now a day are equipped with lithium battery stocks-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.
You need to remember that Acer batteries are designed specifically for each laptop brand and model. You cannot interchange batteries. If you do, your laptop may not work or it may result in other complications.
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 batterty stocks-ion battery has a different physical packaging than a NiCad 18V battery.
This is cobalt ontario canada the most basic of hand held power drills. It is a simple electric drill with one speed and one direction. It is mainly good for drilling holes in wood, metal, plastic, and soft metals. It is not the ideal choice of drill to use for applications such as driving screws. Since the speed is not variable and the drill only operates at a higher RPM, you would likely either strip the screw head or snap the head off the screw if you tried. You will not likely find many of these around today as their uses are rather limited.
Avoid buying spares: Unlike wine and cheese, Li batteries do not improve with age. Avoid the temptation to buy spares, unless you use them frequently. Check the manufacture date, and never buy an old battery, even if on sale.
Every purchase of Bosch GSR 10.8 V-LI brings with it two Li ion batteries a Quick charger and a Tool bag. All these offer value for money to the customer. The two batteries ensure continuity of work; when one runs low, it is replaced with the other. The quick charger reduces the time wasted during charging of the battery and the tool bag allows for easy carriage of the tool.