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How long will a 12v 7amp battery last?

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How long will a 12v 7amp battery last?

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Once you fully charged your battery ,it can supply a maximum of 12 v and 7 amperes for about one hour,after 1 hour your battery will be completely drained. If you need only 1 amp your fully charged battery can last more than one hour( for around 7 hours).

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