This blog post via: Five indicators to measure battery performance
There five indicators to measure battery performance: Fujitsu Lifebook T5010 Battery , fujitsu fpcbp200 , fujitsu fpcbp200ap , fujitsu fpcbp155 , fujitsu fpcbp155ap , fujitsu lifebook t4220 battery , fujitsu lifebook t4220 tablet pc battery .
Secondary batteries is known as rechargeable batteries or battery,such as Canon bp-522 battery ,measuring the performance mainly depends on secondary battery voltage, capacity, energy, power, cycle life of these five areas.
Voltage including charge and discharge the battery in the theory, the working battery voltage, battery charge voltage and battery termination voltage. theoretical discharge voltage and the theoretical charge voltage is same ,and they are equal to the battery open circuit voltage,like the battery for Canon bp-711 .
The battery voltage is the actual battery discharge voltage ,it is relevant with the battery discharge method, using temperature, charge and discharge times and others(it also includes whether it is famous battery,such as Samsung sb-l110 battery or not ) .The battery charging voltage is greater than open-circuit voltage, the greater charge current is ,the voltage higher , the greater the battery heat ,the temperature of the battery during charging higher.
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Termination of the battery voltage is that the the voltage of battery is not appropriate to continue to discharge down to the minimum operating voltage in the discharge process,.
Battery capacity refers to a certain discharge conditions, you can get electricity from the battery, that battery can release energy. Battery capacity is divided into theoretical capacity, practical capacity. The battery’s theoretical capacity is calculated in accordance with the electrochemical reaction from the capacity. Actual capacity refers to a certain discharge conditions, the battery can release the actual amount of power,for one thing,the Canon bp-911 battery.
The battery capacity is defined as more than a certain discharge conditions,obtained battery power from the unit mass (volume) , that is,the battery can release energy. Such as: fujitsu lifebook e8310 battery , fujitsu lifebook e8210 battery , fujitsu fpcbp136 , fujitsu fpcbp136ap , and fujitsu lifebook n6210 battery , fujitsu lifebook n6220 battery , fujitsu lifebook e8310 battery .
The energy of the battery is the output of electricity can do work outside in certain discharging conditions , As the active substance can not be fully exploited, and the battery voltage is always less than the electromotive force, take the Jvc bn-v408 battery,so the actual energy of the battery is always less than the theoretical energy.
The battery specific energy (energy density) is the output energy of unit mass (volume) batteries , namely, the volume ratio energyor the mass ratio energy. the actual output energy is the energy of the battery ratio battery quality (weight) or volume .
The battery power is the battery the battery output battery power per unit time in a certain discharge conditions, unit is for the W or kW. Battery power is the power unit mass (volume) cand output ,the unit is for the W / kg or W / l.
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