What is cost of electrical energy over lifetime of battery

Reference no: EM13186817

Retail electrical energy in Michigan costs $0.12/kwh. Your laptop battery fully charged stores 40 watt hours. On avergae a battery can sustain 500 full charge/discharge cycles. The cost of the battery is $100. What is the cost of electrical energy over the lifetime of a laptop battery in dollars/kwh? (1kwh=3.6 magajoules)

Reference no: EM13186817

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