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As a large scale Telecommunications Operator with a vast network as well as a large customer base, determining the most efficient and effective means of battery maintenance has always been an important and also a huge task for China Mobile. Starting in 2006, China Mobile has been investigating the potential of using an Ohmic testing method to play a role in easing the huge workload of battery maintenance...
Since the year of 2006, China Mobile had carried out field tests on hundreds of strings of batteries to verify how conductance/impedance tests could indicate the battery's health condition and its capacity, results of which has been presented in 2007 Intelec paper. With the conclusions drawn from the validation filed tests, China Mobile started to apply the ohmic testing technology in the practice...
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