An empty battery charges to 100 percent in 6 hours, using a 240-volt outlet.

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The 22 kW on-board charger enables a completely empty battery to be fully charged in less than an hour.

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Battery chargers blink orange for empty and green for full.

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When completely empty it takes a maximum of eight hours to fully charge the battery at a household socket or charging station on the electricity systems of most countries i.e. overnight.

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Footie fans can breathe a sigh of relief thanks to the state-of-the-art trolley which comes complete with tilting iPad holder and speakers, a front bumper complete with a sensor which lets off a warning beep if you get too close to other shoppers and an onboard battery with self-charging solar panel to ensure the viewing device never runs on empty.

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The digital "eyebrow" display at the top of the instrument panel provides high visibility for the Eco indicator and speedometer, while the lower liquid crystal meter display houses the new percentage style state-of-charge meter, power meter, battery temperature gauge, multi-function display, remaining energy gauge, capacity level gauge and distance to empty display.

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In the first incident, the battery fire occurred in a Japan Airlines 787 that had already landed at Boston's Logan International Airport and was empty of passengers.

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