The definition of a balanced battery

First post by: www.itbattery.com

Operates at 6 V or more portable devices using the battery pack power supply series, in which case the total voltage battery pack for the series and the battery voltage. The portable computer from the battery pack is usually three or four series from the battery, a nominal voltage of 10.8 V or 14.4 V. In most such applications, a single series battery pack unable to provide the necessary energy equipment. Currently the largest battery (such as Toshiba Tecra 9100 Battery) are available for 2000 mAh (mA hours) energy, and the computer needs 50-60 Whr (5000-6000mAh) energy, it is necessary to the series of three parallel each battery cell. The battery is balanced on the battery pack in the series of different cell (or battery) the difference current. Series battery pack in each of the current battery is usually the same, it is necessary to the battery pack additional components and circuitry to achieve a balanced battery. Only when the battery pack in a series of batteries, battery series equal to or greater than 3 when it will consider battery balance. When the Toshiba Satellite 1900 Battery pack in all the cells are to meet the following two conditions, we achieved a balanced battery: 1. If the battery capacity of all the same, then when their relative status of the same charge when it achieved a balanced battery. SOC to the current capacity and is usually rated capacity expressed as a percentage, therefore, open circuit voltage (OCV) can be used as a measure of SOC. If a battery is not balanced package of all the difference rechargeable battery can be reached full capacity (balanced), they will be able to carry out the normal charge and discharge without any additional adjustments, such adjustments is usually a one-off. Users in the use of the new battery, usually takes a long time called for a rechargeable battery, this process actually include a full release - charging. The process to minimize the load, and battery charging the longest time, reduce the balance of the Toshiba Satellite A60-662 Battery circuit requirements. 2. If the battery capacity of different, when the SOC is also the view that they are balanced. However, SOC is only a relative value, the absolute value of each battery capacity is different. In order to make a different capacity battery SOC the same, each of the series when the Toshiba Satellite A65 Series Battery charge and discharge must use difference current. Normal charging and discharging of time than the initial charge and discharge more quickly, and the need for more current. When the battery pack in the battery is not balanced, it will reduce the available capacity, the battery pack in the series minimum capacity of the battery will determine the total capacity of the battery pack. In the battery pack is not balanced, one or a few batteries will be needed in other rechargeable Toshiba Satellite 2100 Battery, has been reached maximum capacity. The discharge, is not fully charged battery will be first than any other battery-end, so that the battery pack voltage due to a lack of early cessation of electricity supply. Usually, the battery capacity of the difference between less than 3 percent. If the series of lithium battery pack of a battery of sub-standard, or placed in the package before too long, in a voltage difference, after up to 150 mV, so that the total capacity of the battery pack dropped 13-18 percent.