Battery Throughput

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The quantity of batteries an analyzer is capable of servicing depends on the number of positions the unit features. Analyzers that service the batteries simultaneously are superior to those that process them one by one. In addition, charge and discharge time varies with different brands of analyzers. The lower cost units are mostly based on fixed charge and discharge currents and their service time is normally longer than with programmable units.

A battery analyzer with a fixed current of 600mA, for example, charges and discharges a 600mAh battery fairly quickly. Servicing a 1800mAh battery, on the other hand, would take three times as long. A problem may arise if a 350mAh battery is serviced. This battery may not be capable of accepting a charge rate higher than 1C and damage could result. Battery analyzers that are capable of being programmed to the battery’s nominal current rating provide the quickest, safest and most accurate service.

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The Cadex C7000ER battery analyzer, for example, is capable of processing four batteries every 4 to 8 hours. Based on two batches per day (morning and evening attendance) and 20 working days per month, one such analyzer can service 160 batteries every month. The throughput of batteries with ratings higher than 2000mA or those that need to be charged and discharged at lower C-Rates will take longer accordingly. To allow for extra capacity, including reconditioning of batteries, one C7000 is recommended for a fleet of 100 batteries.

When first servicing the batteries with the Cadex C7000ER, extra run time will be required, especially if a large number of batteries need to be restored with the recondition cycle. Once the set target capacity has been reached, maintaining that level from then on will be easier and take less time. Some older packs will likely need replacing since not all batteries recover equally well with exercise and recondition.