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Recommended practices for battery maintenance and testing on lead-acid batteries are well defined in IEEE 4501 and IEEE 11882. Unfortunately in many (most) cases, the IEEE recommended maintenance practices are not followed properly, the data is not being analyzed correctly or the technicians are not properly trained. Many times it is all of the above. Consequently, given how many users perform/contract maintenance improperly and the reality that many users are satisfied with just “making it to the generator,” the value of many battery maintenance activities is questionable.