Dell 7W999 Battery,Dell 7W999 AC Adapter/Charger

Whether you need a Dell 7W999 battery for your laptop or you just want to get some info of laptop battery, you've found the right place for your battery needs.

Product Details:

Capacity: 4800mAh
Voltage: 11.1v
Color: Black

Availability: In Stock
Weight: 310.24 g
Cell Type:Li-ion

Dimensions:127.40 x 77.40 x 19.40 mm

Price: USD 51.55

Dell 7W999 Battery,Dell 7W999 AC Adapter/Charger

Whether you need a Dell 7W999 battery for your laptop or you just want to get some info of laptop battery, you've found the right place for your battery needs.

Product Details:

Capacity: 5200mAh
Voltage: 11.1v
Color: Black

Availability: In Stock
Weight: 330g
Cell Type:Li-ion

Dimensions:127.40 x 77.40 x 19.40 mm

Price: USD 54.14

Laptop AC Adapter/Charger

Product : Dell 7W999 AC Adapter

Color: black

Condition : Brand New - 1-Year Warranty,30 Days Money Back.

Price : USD 37.62

Dell 7W999 Laptop Battery

In science and technology, a Laptop battery is a device that stores energy and makes it available in an electrical form.
It converts chemical energy into electrical energy, producing an electric current when connected in a circuit. The finished Laptop Battery is an electrically connected group of cells (wired in series) that stores an electrical charge and supplies a direct current (DC). We usually call finished battery as battery pack and unfinished Laptop battery is called as cell.
Dell 7W999 Battery Maintain Tips
1.Do not charged to higher voltages than Dell 7W999 Battery threshold voltage. Only do a fully discharge every 30.
2.Do not short-circuit. A short-circuit may cause severe damage to the battery. So do not place you battery with metal objects like coins key etc
3.Avoid your Dell 7W999 Battery heat up: keep them away from hot, pillow, blanket, or other soft surface. Or use a laptop cooling stand
4.Notice : Under the temperatures of -10~40°C the battery work prefectly. Over this temperature range the battery capactiy will reduce.
5.Do not unplug the external power supply during the process of charging.
6.If it is the first time for you to use Dell laptop, or you have not use it for a long time (three weeks or longer), be sure to discharge the Dell 7W999 battery completely before fulfil recharging to its full capacity.

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