Bosch, for example, calculates that a car fitted with a 40kw motor capable of speeds of up to 120kph would need a Li-ionbattery with a capacity of 35kwh.
Due to the low cost of the battery cells and excellent performance at ambient temperature, Lithium-ion (Li-ion) battery is a promising technology for propulsion applications.
由于此蓄电池的低成本和在环境温度下的优秀性能，锂电池将会在推进力应用的技术上有广泛的前途。
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A dedicated Li-ionbattery, which is built into the lens barrel, powers the zoom and autofocus.