By Allah (Arabic: Wallah, ÙØ§ÙÙÙ) is an Arabic expression meaning [I promise] by God used to make a promise or express great credibility on an expression.It is considered a sin among Muslims to use this phrase and follow it up with a lie.y Allah (Arabic: Wallah, ÙØ§ÙÙÙ) is an Arabic expression meaning [I promise] by God used to make a promise or express great credibility on an expression.
1 On average, a laptop battery is going to cost anywhere from $25 to $115. 2  This is going to depend on your laptopâs brand, the amount of cells, as well as the year of your laptop. 3  Older batteries may be harder to find. 4  Nickel Cadmium batteries are going to cost $45 to $115. There are several companies that sell different batteries for laptops. 2  For example, a laptop battery for the Dell Inspiron series can cost anywhere from $18 to $34. 3  A laptop battery for many HP models can cost $22 to $45.
Get Slate in your inbox. Laptops: The typical lifespan of a lithium-ion laptop battery is about 18 months to 2 years, Buchmann says, but yours will last much longer if you don't punish it too much. The main stresses include undercharging, overcharging, and one that few of us consider: heat. Temperatures inside a laptop can reach more than 110 degrees Fahrenheit, which is hell for a battery. Ideally, Buchmann says, you should try to keep your battery charged from 20 percent to 80 percent.