How Do I keep My Dell Y9947 Battery

How much do you know about your battery? Is there any easy understanding information for the laptop maintenance? There are some professional information posted on the website, but they are too formal. Some information is too simple and rough to believe. Here take dell Y9947 battery for example; I will show you the way to keep your laptop battery. Hope gives you worthy information and practical method.
There is no wonder that the battery at present have memory effect. Though some said that the lithium battery or other material battery has no such memory, it is not the truth. You can charge to 60% in advance. Of course, did not full. Thus I usually discharge Y9947 battery one or two months in order to keep it in a good capacity. While half a year, I would have it completely discharged. I have collected this information for a long time and hope to share with you all.
For the new battery, the first activation is really vital for your laptop battery’s longevity. So there should be a very good start. When you boot your new laptop, you can see the left capacity of the laptop battery. You should first do not use external power to battery power exhausted in the remainder until the shutdown, and then use the external power supply charge. After returning home, even after the exhaustion of the battery charge, charging time must be more than 12 hours, repeated three times to activate the battery, in order to lay a good foundation for future use.
As to laptop battery, you should minimize using time of laptop battery. It seems that I am too mean. When you find your battery failed to work. you will know why I asked  you to do so. I seldom use my Y9947 battery , for I really need the battery working longer for me. It’s not cheap to buy a new replacement. And it’s so expensive to get a same one as the original one. so take care of your battery.  To know the number of battery charge and discharge directly to the life of a single battery charge, battery is stride on a step forward to retirement. Suggest that you use an external power supply. Some friends often plug in the power supply several times a day.