The coulomb meter high precision allows the monitoring of the voltage (V), the capacity (Ah), the power (W) and theenergy a battery. This information allows the user toget a State of charge in % (SoC) or a depth of discharge (DoD) says the battery. It calculates in real time the remaining time until the battery is completely empty. The product has a memory function that records the SoC information when the device is turned off or disconnected accidentally. The CC 75/150/500 is suitable for the lithium-iron-phosphate batteries(LiFePO4), lithium-ionLi-polymer, battery lead-acid and nickel-metal hybrid with an operating voltage of 8V to 80V DC.

 

 

 

There are 3 versions:

 

The armored cable which connects to measure resistance (shunt) and the display screen is available in three lengths, depending on the location of the battery and the display):

To track the State of charge when using the battery, the most intuitive method is to follow the current incorporating during the use of the cells. This integration gives directly the amount of electric charge injected or extracted to the battery allowing to precisely quantify the SoC of the battery.

Unlike the OCV method, this method is able to determine the evolution of the charge for the use of the battery State. It does not require that the battery is at rest for a precise measurement.

Although the current is measured by a precision resistance, low errors of measures involved, related to the frequency of sampling of the measure. To correct this marginal, the Coulomb counter is automatically re-calibrated to each charge cycle. By coulomb counting SoC measurements allow a less than 1% measurement error, which allows a very accurate indication of the remaining energy in the battery. Unlike the method GCO, coulomb counting is independent of fluctuations in power delivered by the battery (that cause the battery voltage drops), and the accuracy remains constant regardless of the use of the battery.