The battery is advertised at having a life of up to 6 hours. Depending upon the usage depend upon he battery to last for 4 hours.
i think you mean that let the laptop work with laptop adapter and the battery. well, i suggest that you should work with the laptop adapter for the most time, cause when the laptop battery is full charged, the adapter won't stop it's wrok and keep charging the battery, that means the battery has to discharge(supply the power) and be charged at the same time. unfortunately, this condition may decrease the life of most lithium basic batteries. so, keep the laptop working with the adapter for the most long time.
If the BIOS (Basic IO) battery is the one one you are asking about. It is a lithium battery which should last for up to 7 years. It is difficult to be accurate but, laptop batterys can last around three years, however this depends how you use them. They last around a thousand charges, but this is if you recharge them 10 percent or 100 percent. A laptop battery left in continuously charging cause the laptop to overheat and the battery will loose performance very quickly.
CMOS battery of your laptop maintains hard disk, time and date, and other drivers and configuration settings in a CMOS memory. You will see these tiny CMOS batteries connected directly to the laptop’s motherboard.
Which laptop will be right for your son will depend in part upon his age, but assuming he is old enough for an adult laptop, and that he is not into gaming so does not need a laptop with huge power, then a basic entry-level laptop would do the job. Tesco, Sainsbury's, PC World, Argos and the online retailers from time to time have special offers and you should be able to get a perfectly good laptop for under 300. For example, Currys currently have a Fujitsu laptop for 283 and you may have seen the PC World TV ad for a laptop for around 280.
This laptop is not good for image and video editing. This laptop is great for basic internet and email work.
For basic tasks, such as those listed in the question, a RAM of 1 GB will suffice. This should be doubled if the laptop is to be used for gaming or watching movies.
Just like other batteries, it depends on the usage. If you have everything set to max performance and are using wifi then the battery will run out a lot faster than if you conserve power. Expect to get 6 1/2 hours usage if you are using max settings and around 8 1/2- 9 if you conserve. The other thing to consider is the extra weight a battery of this size will add.
A regular battery uses chemical reactions inside a closed casing to produce electricity, while a lemon battery uses the acidic juice of a lemon as an electrolyte to generate a small amount of electricity through a chemical reaction between the lemon juice and metal electrodes placed in the lemon. Lemon batteries are typically used for educational purposes to demonstrate basic concepts of electricity generation.
Yes.
Yes, you can.
A lot of factors have an effect on the quantity of time that a transportable computer battery can deliver energy ahead of it has to be recharged. These elements include the configuration (processor, memory, and so forth.), kinds of applications becoming run and display brightness. Dell uses market regular benchmarks for battery run time claims. For far more information on battery run occasions and benchmarks, the white paper, "Understanding Battery Life in Transportable Computers" is obtainable at: http://www.dell.com/content/topics/global.aspx/vectors/en/2005_batterylife? c=us&cs=555&l=en&s=biz http://www.brainydeal.com
The short answer to this is to look for the basics. A freshman in college needs Internet access and basic word processing functions meaning that you should be able to find a laptop well under $1,000. The exception to this is if the student is an arts or graphic design major. In such case, you will need more than a basic laptop for school to be able to complete required projects. A college freshman is going to want a durable lighweight laptop with internet access a good processor and hardware compatibility for external hard drives, intranet connection and other uses.