Invention Grant
US07940053B2 Battery tester with promotion feature 有权
电池测试仪具有促销功能

Battery tester with promotion feature
Abstract:
Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in response to the battery maintenance circuitry. A method includes outputting a redemption code in response to usage of battery maintenance equipment.
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