| 摘要 |
<p>A vehicle battery device includes a housing, a lithium-iron battery module received in the housing, a lid engaged with the housing, and a first electrode and a second electrode electrically connected to the lithium-iron battery module and exposed from the lid. The lithium-iron battery module has a plurality of lithium-iron battery cells, and a first fastening unit and a second fastening unit disposed at two opposite sides of the lithium-iron battery cells, respectively, for fastening the lithium-iron battery cells. Therefore, the present invention can easily replace a failed lithium-iron battery cell with a new one without the need to perform a complicated desoldering/spot welding process as in the prior art, thereby facilitating maintenance of the vehicle battery device.
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