FIELD: electricity.
SUBSTANCE: method to recover sulphated lead accumulators consists in performance of regular charging by initial current and subsequent alternation of high and low currents, at the same time charging with high current equal to initial current of charging is carried out for 5-10 minutes, and with low current equal to 0.05-0.1 C10 to achieve permanent density of electrolyte for 1 hour. Amount of alternations of high and low currents depending on extent of accumulators sulphatation is selected as equal to 5-10.
EFFECT: development of a method for efficient recovery of sulphated lead accumulators.
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