Power for the electric motors comes from a 506-pound lithium-ion battery pack, which Jaguar claims takes a full charge in just 6 hours at 240 volts.

电动机的能量来源于一组506磅的锂电池组，捷豹公司表示，在240伏电压下，一次充满电只需要6小时。

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Theyhold their charge. A lithium-ion battery pack loses only about 5 percent of itscharge per month, compared to a 20 percent loss per month for NiMH batteries.

锂离子电池能保持电量。同锂氢电池每个月损失20%的电量相比，锂离子电池组每个月仅损失5%的电量。

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Keep the lithium-ion battery cool. Avoid a hot car. For prolonged storage, keep the battery at a 40% charge level.

保持锂电池凉爽。避免很热的汽车，要想延长寿命，在40%的电量下保存。

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Ford calls C-MAX Energi a "hybrid-plus" because it not only operates just like C-MAX Hybrid, but also features an external charge port and larger lithium-ion battery pack so owners can plug in the vehicles to fully charge the battery using either a standard 120-volt outlet or the available 240-volt charge station.

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The first socket is used to charge the lithium-ion battery and the second can be used to connect electrical devices such as coolers or camping lights.

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For the first 35 miles, the Volt can drive gas- and tailpipe-emissions-free using a full charge of electricity stored in its 16-kWh lithium-ion battery.

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