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... lead-acid battery, although it still has many inherent shortcomings, it can already meet the needs of long-distance off-road travel; each set can provide a range of fifteen kilometers, five sets totaling seventy-five kilometers. When combined with a photovoltaic circuit, it can maintain a top speed of thirty kilometers per hour."
Unfortunately, there are only these five sets now. If they were all full, it would be able to run for a hundred and fifty kilometers.
Though compared t ...
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