Ligne 10 : |
Ligne 10 : |
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− | '''{underline|Contre:}}''' Very heavy, batteries tend to be very large bricks because power density is very low. | + | '''{{underline|Contre:}}''' Very heavy, batteries tend to be very large bricks because power density is very low. |
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− | '''{underline|Prix:}}''' A 12V lead acid battery with 7Ah of charge should run about $25. | + | '''{{underline|Prix:}}''' A 12V lead acid battery with 7Ah of charge should run about $25. |
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− | '''{underline|Power Density:}}''' 7 Wh/kg. | + | '''{{underline|Power Density:}}''' 7 Wh/kg. |
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| {{PILES-TRAILER}} | | {{PILES-TRAILER}} |