dell laptop battery

The task of a battery is to store energy and in a desired time and again to deliver a controlled manner. In this section we will discharge at various C-setting study the DOD determine at which a Dell Inspiron 6400 battery can be discharged without danger. external battery, we will also observe how deep discharges can affect the life expectancy of a battery.

What does the C-rate?

The charging and discharging of a DELL XPS M1530 battery is called a C-rate. Most portable batteries are set to 1C. This means that a battery can deliver 1000mAh with a current of 1000 mA for one hour, when the coefficient is 1C. If the same DELL Studio 1555 battery is discharged at 0.5 C, it outputs from 500mA for 2 hours. In 2C, the 1000mAh battery delivers 2000mA for 30 minutes. 1C is often referred to as a 1-hour discharge, universal battery, a 0.5 C, a 2-hour, and a 0.1C would be a 10-hour discharge.

The capacity of a battery is usually measured with a battery analyzer. If the information is provided for the capacity of the analyzer as a percentage of rated capacity, 100% would appear, external battery is a 1000mAh battery to give off when this current for 1 hour. If the Dell Inspiron 1545 battery lasts only 30 minutes to shutdown, 50% is shown. A new battery sometimes provides more than 100%.

When a battery is discharged with an analyzer, which is able to use different C, higher capacitance values ??are observed when the battery is discharged at a lower C-coefficients, and vice versa. When unloading a 1000mAh battery at 2C, i.e. 2000mA, the analyzer is programmed, that it takes the full capacity within 30 minutes. Theoretically, the capacitance measurement be the same as at a slower discharge, since the same energy is removed, only in a shorter time. Scanner Battery Due to internal energy losses and a drop in voltage, the Dell Inspiron 1564 Battery will quickly reach the the capacitance measurement may therefore fall to around 95%. Discharging the same battery at 0.5C, i.e., 500mA for 2 hours, can result in an increase in the capacitance measurement of approximately 105%. The differences in capacity readings with different C coefficients have a relationship with the internal resistance of the Dell Studio 1737 battery.

A battery at 1C discharge is not working well, the portable sealed lead-acid battery. To get a reasonably good capacity measurement, the manufacturers usually recommend for these batteries of 0.05 C, ie 20 hours. Even at such slow discharge, it is difficult to achieve a capacity of 100%. As compensation for the various measurements at several discharge currents, manufacturers offer external Dell Inspiron 1520 battery to a so-called capacity balancing. The capacity balance is used to correct the reading of the capacitance value. It increases by no means the battery power, it merely corrects the capacity calculation, if smaller or larger C-coefficients are used as those that are specified by the manufacturer.

Lithium-Ion/Polymer DELL Inspiron 1300 battery are electronically protected against high discharge currents. Depending on battery model, the discharge current is limited to between 1C and 2C. This protection results in universal battery that lithium-ion batteries for biomedical applications and tools that have a high starting current, can not be used.