How To Test The Capacity Of Your Toshiba Laptop Battery

In the measurement of battery technology, there are four kinds common method (open-circuit

voltage measurement, Coulomb calculation, impedance measurement, integrated look-up table method), usually using a combination of methods to one of the main method of supporting the rest of the way computing power.

The first one is the impedance measurement, measuring its resistance to get the remaining battery capacity value.

The second one is the open circuit voltage measurement, this method is that measuring the battery voltage under static values to calculate the remaining battery capacity, but as a result of stationary lithium-ion battery voltage and remaining capacity relation is non-linear, so this method measured valueis not accurate, the vast majority of mobile phone batteries are calculated using this method

the third is a comprehensive look-up table method, by setting up a related form, the voltage, current, temperature and other parameters, you can query the remaining battery capacity.

The fourth one is Coulomb calculation, the method is by measuring the Toshiba laptop battery charge and discharge current, the current value and time value After the calculation of product integration has been carried out by filling the battery into the power and the release of electricity, Coulomb's method is a accurate method of calculating power.

Notebook batteries such as Toshiba PA3356U-1BRS Battery, Toshiba PA3291U-1BRS Battery, Toshiba PA3506U-1BRS Battery, Toshiba PA3591U-1BRS Battery, Toshiba Portege 4000 Battery, Toshiba Satellite A10 Battery, Toshiba Satellite A100 Battery, Toshiba Satellite A70 Battery and Toshiba Satellite A75 Battery can be 6-cell or 4-cell, meaning that there are that number of battery cells inside the battery. The batteries cells conenect together, the battery capacity reduce reason is that: all the batteries quality and discharge rate can not be in the same level. After discharge, one battery cell capacity in substantial reduction, in order to maintain voltage stability, the battery management chip will be according protection of core power as the "bucket principle", so after the electricity charge will decrease.

by: theo

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