Mobile portable devices. Need help selecting accessories!

[Essesytob]

Hi everyone! I would be very contented if you leave your ideas taking into consideration your own background. Could anyone advise me please what type of component parts shall I require for my notebooks? enexpensive or high-priced? At the moment I am going to require a battery for my Dell mobile device. As a result of my search, three websites have attracted my attention: 1. cheapbatteryonline.com which sells cheap laptop batteries and 2. mybestbattery.com which sells replaceable new laptop batteries at a bit higher price. 3. dell.com vends original batteries and other notebook component parts but at a much higher price. Mybestbattery.com and cheapbattery.com expose compatible batteries; they are not original, not developed by Dell. They expose Denaq batteries Have you known anything about this producer? But these online stores give all the guarantees I need: quality guarantee, money back, safe and secure shopping, they state that my credit card information will be protected and will not be given to third people.

Now I have a dilemma and can’t define what is the the most reputable shop to acquire the accumulator for my Dell my mobile devices and what component parts must I purchase in future? Cheap, costly, that of a average cost, original or compatible? I wish to save funds and at the same time I need to purchase long life and proper battery.
I have already looked through some thoghts but they differ. Those who produce low price component parts string along customers and predict that cheap accumulators are as good as high-priced ones. If the component part is pricey it doesn’t obligatory mean that it will be of proper quality. While those whoproduce more expensive staff do not stop assuring that perfect products or accessories can’t be flashy. They think that they use only acceptable and certified raw materials and primary productsand the hitch of quality accumulators is much more longer. Both sides guarantee quality, reliability, proper operation of stuff. But unfortunately not both sides provide an acceptable price.
what is your opinion? I will be very very if anyone shares any veiws and shares his or her practice.