The composition of laptop battery

Laptop battery from the housing, circuit boards and batteries, membership of lithium-ion DELL Latitude D620 battery. Generally, they say the batteries means the number of batteries in the battery mAh refers to the Laptop Battery Capacity.
Especially by the protection board (or secondary protection circuit), and the capacity indicator circuit consists of two parts, the DELL XPS M1530 battery charge and discharge, and security management.
Laptop battery standby time is determined mainly by the mAh value. In general, the more the number of Dell Vostro 1520 battery, mAh value the greater the standby time is longer. The life of HP Pavilion DV5 Battery charging and discharging times are measured by the quality of the qualified products in times of typically 500-600. Therefore, the effective use of DELL Studio 1537 battery within a period of two years expired batteries age, the dramatic impact on standby time of the mobility of a notebook.