How long can the Dell Latitude D620 battery last

Some laptops can run for 5 hours or more off of their battery, others may last less than 2 hours before they need to recharge the Dell Latitude D620 Battery. Remember that the size of the screen (particularly if set at the brigh test setting), hard drives,DVDRW/CDRW Drives,CDRW/DVD Drives, and wireless network, the power of your processor, your hard drive, and many other things such as the programs you are running.
Gadgets like laptops use two types of batteries, nickel-cadmium or nickel metal hydride batteries and lithium batteries( Li-Ion, Li-Poly). The nickel batteries are the older version of batteries and are not as famous today after lithium batteries came into the market.
It is a known fact that the lithium Dell Latitude D620 battery hold charge better than the nickel Dell Latitude D620 battery, therefore if you are going to buy a new gadget it is better that you choose the one with lithium Dell Latitude D620 battery so that it will hold charge better and for a longer duration of time.
Dell Latitude D620 battery charge depends on their capacity to hold power. Generally laptop battery will hold charge for four to five hours. This depends on the usage of the laptop, if you are going to use the laptop for all functions and actively then the battery might hold charge for a lesser period of time. One way of conserving power is to go to your Power Management settings icon in the Control Panel. You can shut off settings or programs you do not use. Also consider dimming your screen and shutting off your wireless card when you don't need it.
Most of the Dell Latitude D620 battery today are designed for a recharging for 400 times. Therefore technically your battery should give you good service till about two years. You require following instructions given by the manufacturer when you buy this gadget.
All laptop batteries start losing their capacities once the charging is not done properly, it will take you some time to notice the change, that the Dell Latitude D620 Battery which was once working for more that three days, now requires charging everyday. Once this starts happening, the deterioration is faster and you may require changing the laptop battery within some months time or earlier.
In case of laptop battery you can try rebuilding them. Dell Latitude D620 battery need to be handled carefully and their recharging routine needs to be followed carefully, without which there might be damage to your Dell Latitude D620 battery and changing these might seem inevitable.You can buy a wide range of portable laptop accessories here：Dell Inspiron 6400 battery(11.1V Capacity: 6600mAh )HP PB995A battery(Voltage: 10.8V Capacity: 8800MAH )HP NC6400 battery(11.1V Capacity: 4400mAh )